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  Fosi Audio Fosi Audio Q4 – Compact DAC & Headphone Amplifier with USB / Optical / Coax

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  1. Professional Audio Upgrade for Everyone The Fosi Audio Q4 is a versatile and compact Digital-to-Analog Converter (DAC) and headphone amplifier designed to significantly improve the sound quality from your PC, laptop, or gaming console. It replaces your device's basic internal sound card, delivering a cleaner, more powerful, and immersive audio experience for gaming, movies, and music. 2. Key Features & Performance High-Resolution Decoding & Sound Tuning 24-Bit/192kHz Resolution: The Q4 supports high-resolution audio files, providing crystalline detail and a wider dynamic range compared to standard onboard audio. Independent Bass & Treble Control: Unlike many entry-level DACs, the Q4 features physical knobs to adjust the bass and treble to your liking. Whether you want thunderous explosions in games or crisp vocals in podcasts, you have full control. Powerful Driving Capability Dedicated Headphone Amp: The built-in amplifier stage can easily drive headphones ranging from 16Ω to 200Ω, ensuring plenty of volume and headroom for most consumer and gaming headsets. Clear Analog Output: With an impressive Signal-to-Noise Ratio (SNR ≥ 105dB), it provides a silent background, allowing the smallest details in your music or games to shine through. User-Friendly Connectivity Triple Digital Inputs: Includes USB, Optical, and Coaxial inputs, making it compatible with almost any digital source, including Windows/Mac PCs, PS5, and TVs. Dual Output Modes: Features a 3.5mm headphone jack on the front and RCA outputs on the back for connecting to active speakers or an external power amplifier. 3. Technical Specifications Component Specification Input Options USB, Optical, Coaxial Output Options RCA, 3.5mm Headphone Jack Decoding Rate Up to 24-Bit / 192kHz Headphone Impedance 16Ω - 200Ω Frequency Response 20Hz - 20kHz (±3dB) Chassis Material CNC Aluminum Alloy 4. Why the Q4 is the Best Entry-Level Choice The Fosi Audio Q4 is the perfect "first step" into the world of Hi-Fi. It is small enough to fit on any desk, powered conveniently by USB, and requires no complex software installation. If you want better directional audio in FPS games or more "soul" in your music streaming, the Q4 is the most reliable and affordable solution.

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  Fosi Audio Fosi Audio DS1 – Portable USB-C DAC/Headphone Amplifier with DSD512

  2 reviews

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  1. High-Fidelity Audio in Your Pocket The Fosi Audio DS1 is a premium portable USB DAC and headphone amplifier designed to transform your smartphone, tablet, or laptop into a high-end audio player. By bypassing the inferior internal sound cards of standard devices, the DS1 delivers a clean, high-resolution sonic experience that satisfies the most demanding audiophiles. 2. Key Features & Technologies Dual DAC Architecture for Superior Clarity Dual ES9318 Chips: At the core of the DS1 are two high-performance ESS Sabre ES9318 DAC chips. This dual-mono configuration ensures exceptional channel separation, a wider soundstage, and ultra-low total harmonic distortion. True High-Res Decoding: Supports native DSD512 and PCM up to 32-bit/768kHz, allowing you to enjoy master-quality audio files with absolute precision and no detail loss. Powerful Balanced & Single-Ended Outputs Dual Headphone Jacks: Features both a 3.5mm single-ended and a 4.4mm balanced output. The balanced port provides significantly higher power and a lower noise floor, making it capable of driving demanding full-sized headphones. Exceptional Driving Power: Despite its miniature size, the DS1 pumps out up to 220mW @32Ω (Balanced), ensuring your headphones have the headroom they need for dynamic and punchy sound. Premium Build & Universal Compatibility CNC Aluminum Enclosure: The sleek, sandblasted aluminum alloy body not only looks professional but also acts as a shield against electromagnetic interference (EMI). Plug-and-Play Simplicity: Compatible with Android, iOS, Windows, and macOS. The detachable USB-C cable design allows for easy switching between different devices and cable upgrades. 3. Technical Specifications Component Specification DAC Chip Dual ESS Sabre ES9318 Decoding Support PCM 32Bit/768kHz, DSD512 Output Power 220mW @32Ω (Balanced), 120mW @32Ω (Single-ended) Input Interface USB Type-C Output Interface 3.5mm SE, 4.4mm Balanced SNR / THD+N 120dB / 0.0006% Compatibility Windows/Mac/Android/iOS 4. Why Choose the DS1? The Fosi Audio DS1 bridges the gap between portability and professional performance. It is an essential tool for music lovers who want a significant audio upgrade without carrying a bulky desktop setup. With its balanced architecture and top-tier ESS chips, the DS1 offers a level of musicality and transparency that is rare at this price point.

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  Fosi Audio Fosi Audio P3

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  1. Pure Analog Warmth Meets Modern Wireless The Fosi Audio P3 is a high-fidelity vacuum tube preamplifier designed to infuse your digital audio system with the soulful, harmonic richness of analog sound. It acts as the perfect control center between your audio sources and power amplifiers, offering both wired and high-definition wireless connectivity in a compact, premium chassis. 2. Key Features & Audiophile Technologies Reference-Grade Vacuum Tubes Jan GE5654 Tubes: The P3 comes standard with premium GE5654 vacuum tubes, known for their superior soundstage and longevity. They effectively soften digital harshness, delivering a smooth midrange and airy highs. Tube Rolling Versatility: The sockets are compatible with a variety of tubes, including 6K4, 6J1, 6AK5, and EF95, allowing enthusiasts to "roll" tubes and fine-tune the sonic signature to their liking. High-Definition Bluetooth 5.0 aptX HD Support: Unlike standard receivers, the P3 supports Qualcomm aptX HD, enabling 24-bit high-resolution wireless streaming. Enjoy wire-like sound quality from your smartphone or tablet with minimal latency. Long-Range Stability: Features an external high-gain antenna for a robust wireless connection that maintains signal integrity even in complex home environments. Sophisticated Tone & Circuit Design Precision Tone Control: Independent Bass and Treble knobs (with a center-detent for flat response) allow you to compensate for room acoustics or speaker characteristics. Versatile Outputs: Equipped with RCA and 3.5mm AUX outputs, the P3 can drive power amplifiers, active speakers, or even act as a high-quality headphone buffer stage. 3. Technical Specifications Component Specification Input Mode Bluetooth 5.0 (aptX HD/AAC/SBC), RCA Output Mode RCA, 3.5mm AUX Out Vacuum Tubes GE5654 x2 (Replaceable) Frequency Response 20Hz - 20kHz (±0.5dB) SNR / THD ≥ 103dB / ≤ 0.02% Power Supply 12V/1.5A 4. The Essential Upgrade for Your Audio Chain The Fosi Audio P3 is more than just a volume controller; it is a sonic enhancer. By adding a dedicated tube stage to your system, you gain greater depth, better instrument separation, and a more immersive listening experience. Its sleek aluminum design and glowing tubes make it a striking addition to any audiophile's desktop.

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  Fosi Audio Fosi Audio HT4S

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  1. The Heart of Your Compact Home Theater The Fosi Audio HT4S is a versatile 4-channel power amplifier engineered to bring immersive surround sound to smaller living spaces, gaming setups, and media rooms. Designed with a focus on high-density power and simplified control, the HT4S allows you to drive four passive speakers simultaneously, making it the perfect foundation for a 4.0 or 2.1 channel system. 2. Key Features & Performance High-Efficiency 4-Channel Amplification TPA3116 Multi-Chip Architecture: Utilizing dual Texas Instruments TPA3116 chips, the HT4S delivers a clean 50W x4 (4 ohms) of power. This ensures each speaker receives a dedicated, high-fidelity signal for a balanced soundstage. Flexible Configurations: Easily switch between a traditional 4-speaker setup or use it to power front and surround channels in a hybrid home theater environment. Individual Control & Precision Tuning Dual Volume Knobs: The front panel features independent volume controls for the front and rear (or left/right pairs) channels. This allows you to perfectly balance the surround levels based on your room's acoustics and seating position. Independent Power Management: Designed for reliability, the internal circuitry minimizes crosstalk between channels, ensuring that high-impact scenes in your movies remain clear and undistorted. Professional Build Quality Aviation-Grade Aluminum: The sleek, black anodized aluminum chassis provides excellent heat dissipation, ensuring the amp stays cool even during extended movie marathons. Gold-Plated Terminals: High-quality binding posts ensure a secure, low-resistance connection for your speaker wires, preserving every detail of the audio signal. 3. Technical Specifications Component Specification Power Output 50W x4 @4Ω Amp Chip Dual TI TPA3116 Input Mode RCA Unbalanced Output Mode Passive Speakers (4 Channels) THD / SNR ≤ 0.03% / ≥ 98dB Terminating Impedance 2Ω - 8Ω Power Supply 24V/4.5A 4. Why Choose the HT4S? The Fosi Audio HT4S solves the problem of bulky, expensive AV receivers for users with space constraints. It offers a streamlined, pure-analog path to multi-channel audio, focusing on raw power and sound quality. Whether you are upgrading your TV audio or building a dedicated gaming station, the HT4S provides the muscle needed for a truly cinematic experience.

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  Fosi Audio Fosi Audio PH05 5 Channel Headphone Amplifier

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  1. Professional Multi-Channel Audio Distribution The Fosi Audio PH05 is a high-performance 5-channel headphone amplifier designed to deliver pristine, high-fidelity audio to multiple listeners simultaneously. Whether you are managing a professional podcast, a studio recording session, or a shared home entertainment setup, the PH05 ensures each listener experiences consistent, crystal-clear sound without interference. 2. Key Features & Technologies Precision Independent Volume Management Five Dedicated Channels: Each of the 5 output channels features its own independent volume control knob, allowing every user to tailor their listening levels without affecting the others. Master Control & Mute: Equipped with a centralized Master Volume dial for global adjustments and a one-touch Mute button, providing instant control over the entire audio feed—essential for rapid studio transitions. High-Fidelity Audio Performance Exceptional Driving Power: With a maximum output of 310mW @ 32Ω per channel, the PH05 can easily drive a wide range of headphones from 16Ω to 300Ω, maintaining a rich and dynamic response across all loads. Low Noise & Low Distortion: Featuring a high Signal-to-Noise Ratio (SNR ≥ 105dB) and ultra-low THD+N (0.001%), it provides a studio-grade "black" background, ensuring no hiss or hum distracts from the performance. Robust Design & Connectivity Premium All-Aluminum Build: The CNC-machined aluminum alloy chassis offers more than just a premium look; it provides superior heat dissipation and shields the internal components from electromagnetic interference (EMI). Universal 3.5mm Interface: Features a standard 3.5mm AUX input and five 3.5mm headphone outputs, ensuring seamless compatibility with smartphones, laptops, audio interfaces, and professional studio monitors. 3. Technical Specifications Component Specification Input Type 3.5mm AUX Output Type 3.5mm Headphone Jack x 5 Output Power 310mW @ 32Ω (Per Channel) Compatible Impedance 16Ω - 300Ω SNR / THD+N 105dB / 0.001% Frequency Response 20Hz - 20KHz Chassis Material Aluminum Alloy 4. Why Use the PH05 for Your Studio? The Fosi Audio PH05 is the perfect solution for collaborative audio work. Unlike generic splitters that degrade signal quality and reduce volume as more headphones are added, the PH05 utilizes active amplification to maintain full signal strength across all channels. It is a compact, reliable, and professional tool that ensures your team hears every detail, every time.

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  $49.90

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  Fosi Audio Fosi Audio SK02 – Desktop DAC & Balanced Headphone Amplifier

  23 reviews

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  1. Compact Powerhouse for Audiophiles The Fosi Audio SK02 is a versatile desktop DAC and headphone amplifier that redefines "performance per square inch." Despite its portable-friendly footprint, it delivers desktop-grade output power and sophisticated digital-to-analog conversion. Whether you are driving sensitive IEMs or demanding full-sized planar magnetic headphones, the SK02 provides a clean, dynamic, and detailed sonic signature. 2. Key Features & Technologies Reference-Grade Decoding & High-Res Support ES9038Q2M Sabre DAC: At the heart of the SK02 is the acclaimed ESS Sabre ES9038Q2M chip, known for its exceptional dynamic range and ultra-low distortion. Master-Quality Audio: Supports high-resolution decoding up to PCM 32-bit/384kHz and DSD512, ensuring that every nuance of your lossless library is preserved with absolute fidelity. Massive Output Power in a Tiny Form Factor 1100mW High-Power Output: Through its 4.4mm balanced port, the SK02 delivers up to 1100mW @32Ω, providing enough headroom to drive high-impedance headphones with ease and authority. Dual Gain Modes: Features a High/Low gain switch to optimize the noise floor and power delivery for different earphone sensitivities, ensuring a pitch-black background for IEMs. Versatile Connectivity & Intuitive Control Balanced & Single-Ended Outputs: Equipped with both a 4.4mm Balanced and a 3.5mm Single-Ended headphone output to accommodate all your gear. Integrated Multifunction Knob: The top-mounted aluminum knob provides precise volume control and doubles as a play/pause button, offering an ergonomic and tactile desktop experience. Optical Input/Output: Uniquely features an optical port that allows the SK02 to act as a bridge for powered speakers or home theater systems, expanding its utility beyond just a headphone amp. 3. Technical Specifications Component Specification DAC Chip ESS Sabre ES9038Q2M Max Output Power 1100mW @32Ω (Balanced), 280mW @32Ω (Single-ended) Decoding Support PCM 384kHz/32bit, DSD256/DSD512 Input USB Type-C, Optical Output 4.4mm Bal, 3.5mm SE, Optical SNR / THD+N 116dB / 0.001% Recommended Impedance 16Ω - 300Ω 4. Performance Meets Portability The SK02 is built for the modern audiophile who values flexibility. Its sleek aluminum alloy body fits perfectly under a monitor or in a travel bag. Powered via USB-C, it eliminates the need for bulky external power bricks while maintaining a sophisticated power management system that prevents interference. The Fosi Audio SK02 is the ultimate "all-in-one" solution for users looking to upgrade their PC/Mac audio or mobile listening setup to a professional standard. Fosi Audio SK01 Fosi Audio SK02 Type Type Analog Headphone Amplifier / Preamp Type Digital-to-Analog Converter (DAC) / Amp DAC Chip DAC Chip None (Pure Analog) DAC Chip ES9038Q2M Max Power Output Max Power Output 2400mW @32Ohm Max Power Output 1100mW @32Ohm (Balanced) Tone Control Tone Control Hardware Bass, Middle, Treble Knobs Tone Control None Battery Battery Built-in 2500mAh (Portable use) Battery None (USB Powered) Inputs Inputs 3.5mm Line In Inputs USB-C, Optical Outputs Outputs 3.5mm, 6.35mm, 3.5mm Line Out Outputs 3.5mm, 4.4mm Balanced, Optical Out Best For Best For Powering difficult headphones and analog tuning Best For High-res digital decoding and modern desktop setups Which one should you choose? Choose the SK01 if you already have a DAC or use an analog source and want massive driving power and the ability to manually adjust EQ (Bass/Mid/Treble). It is also the only choice if you need a portable battery-powered unit. Choose the SK02 if you need an all-in-one digital solution to connect your PC or phone via USB. It offers superior detail through its high-end ESS DAC and supports balanced 4.4mm headphones, which provides a cleaner signal.

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  Fosi Audio Fosi Audio K5 Pro – Mini Stereo Gaming DAC & Headphone Amplifier

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  The Fosi Audio K5 Pro is a mini stereo gaming DAC headphone amplifier designed to enhance the audio experience for gamers and music enthusiasts.  The Fosi Audio K5 Pro is a highly popular,all-in-one desktop audio solution thatcombines a high-resolution DAC (Digitalto-Analog Converter) with a powerfulheadphone amplifier. lt is designed to be asignificant upgrade over the built-in audioof computers and gaming consoles, offering a rich feature set for audiophilesgamers,and music enthusiasts at anaccessible price point.Key Features:1. High-Resolution Audio Decoding:The K5 Pro is built around a high-performance DAC chip (such as theAK4493SEQ or similar) capable ofprocessing audio signals up to 32-bit/768kHz PCM and DSD512This ensures exceptional audio fidelity with a wide soundstage detailed clarity, and a very low distortion level, allowing you to hear nuances in your music that are lost on standard audio outputs

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  $75.00

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  Fosi Audio Fosi Audio GR70 – Tube Headphone Amplifier & Pre-amp with 830 mW Output

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  The Fosi Audio GR70 is a compact, hybridtube headphone amplifier designed todeliver the warm, rich, and musical sounosignature associated with vacuum tubescombined with the power and clarity ofsolid-state amplification.lt serves as anexcellent entry point into the world of tubeaudio for headphone enthusiasts.Key Features & Design1. Hybrid Tube Amplification: At the heartof the GR70 is its hybrid design.lt usesa vacuum tube in the pre-amplificationstage to impart the characteristic "tubewarmth" and harmonic richness to theaudio signal. This signal is then handedoff to a solid-state output stage, whichprovides the clean power and controlneeded to drive a wide range ofheadphones efficiently. This design offers the best of both worlds: the pleasing sonic character of tubes without the high cost and maintenance of a full tube (OTL) amplifier. 2.User-Interchangeable Tubes: Astandout feature is its ability to "rol" orswap tubes.The amplifier comes standard with a pair of 6J1 tubes, but users can easily replace them withother compatible tubes (like 6AK5 6AK5W, EF95, 5654) to subtly tailor thesound to their preference. This allows for a personalized listening experience3. Dual Outputs with lmpedanceMatching: The GR70 is equipped withtwo headphone outputs:Low-lmpedance Output(0-150Q):Optimized for most modern dynamic driver headphones,lEMs (In-Ear Monitors),and lower-impedance models.

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  Fosi Audio Fosi Audio DS2 Dongle DAC Headphone Amplifier

  15 reviews

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  Fosi Audio DS2 Portable Dongle DAC & Headphone Amplifier Bring your music to life wherever you go. The Fosi Audio DS2 combines a high-resolution DAC and a powerful headphone amplifier into a compact USB dongle, delivering true Hi-Fi sound from your smartphone, tablet, or laptop. Hi-Res Audio Performance – Equipped with a premium ESS Sabre DAC chip supporting up to 32-bit/768 kHz PCM and DSD512, the DS2 reproduces your music with breathtaking clarity and detail. Powerful Headphone Amplification – Delivers up to 280 mW @ 32 Ω, easily driving high-impedance headphones while maintaining low noise and ultra-low distortion. Plug-and-Play Convenience – USB-C interface works seamlessly with Android, Windows, macOS, and iPadOS devices (Lightning adapter optional). No external power or driver required. Compact & Durable Design – Slim aluminum alloy housing with braided cable for enhanced durability and heat dissipation. Perfect for pocket-friendly portability. Wide Compatibility – Supports popular lossless streaming services (TIDAL, Apple Music, Qobuz, etc.) and outputs balanced (4.4 mm) & single-ended (3.5 mm) connections for flexibility. Technical Specifications DAC Chip: ESS ES9219 (dual configuration) Sampling Rate: Up to 32-bit/768 kHz PCM, DSD512 Native Output Power: 280 mW @ 32 Ω balanced / 150 mW @ 32 Ω single-ended Output Ports: 4.4 mm balanced & 3.5 mm single-ended headphone jacks THD+N: <0.0005% SNR: 120 dB Frequency Response: 20 Hz–40 kHz Interface: USB-C (OTG) Dimensions: 12 × 45 × 9 mm (dongle only) Weight: ~18 g Why Choose Fosi Audio DS2Compact yet powerful, the DS2 is the perfect upgrade for anyone who wants to enjoy studio-grade sound from portable devices without carrying a bulky desktop DAC/amp. Whether at home, in the office, or on the go, it unlocks the full potential of your favorite headphones.

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  Fosi Audio Fosi Audio ZH3 – All-in-One Desktop DAC / Headphone Amp / Preamp

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  1. High-Performance Fully Balanced Architecture The Fosi Audio ZH3 is a precision-engineered desktop headphone amplifier designed for audiophiles who demand both raw power and sonic delicacy. Utilizing a fully balanced circuit design, the ZH3 significantly reduces noise interference and crosstalk, delivering a clean, expansive soundstage that brings your high-resolution audio to life. 2. Key Features & Technologies Dual-Level Gain & Extreme Driving Power Massive Output: Equipped with both 6.35mm single-ended (640mW@32Ω x2) and 4.4mm balanced (2570mW@32Ω x2) outputs. The 3-level gain switch supports headphones ranging from 16Ω to 300Ω, making it perfect for almost in-ears and over-ear headphones. Gain Switch: Features High/Low gain settings to ensure a perfect match for everything from sensitive In-Ear Monitors (IEMs) to power-hungry over-ear cans, maintaining a black background without hiss. Versatile Connectivity for Every Setup Comprehensive Inputs: Equipped with XLR Balanced and RCA Unbalanced inputs, making it compatible with high-end DACs and professional audio interfaces. Triple Headphone Outputs: Supports 4.4mm Balanced, 4-pin XLR Balanced, and 6.35mm Single-ended outputs, catering to all your premium cable terminations without the need for adapters. Exquisite Aesthetics & Build Quality Vintage VU Meter: The front panel features a classic, warm-lit VU meter that provides real-time visual feedback of the audio signal levels, adding a touch of timeless "Analog" soul to your modern desktop. Aviation-Grade Chassis: CNC-machined from solid aluminum, the enclosure not only looks premium but also provides excellent EMI/RFI shielding to protect the sensitive internal circuitry. 3. Technical Specifications Component Specification Input Type XLR Balanced, RCA Unbalanced Output Type 4.4mm Bal, 4-pin XLR Bal, 6.35mm SE Frequency Response 20Hz - 20KHz (±0.1dB) SNR ≥ 120dB (Balanced) THD+N < 0.0005% Output Impedance < 0.1Ω Compatible Headphone Impedance 16Ω - 600Ω 4. Why Choose the ZH3? The Fosi Audio ZH3 bridges the gap between vintage charm and modern performance. While many amplifiers prioritize specs alone, the ZH3 focuses on the musicality and control of the driver. Its low output impedance ensures a high damping factor, providing tight, controlled bass and crystalline highs. Whether as the centerpiece of your office setup or a dedicated headphone station, the ZH3 offers a reference-level listening experience at an unbeatable value.

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  Fosi Audio Fosi Audio DS3 Portable DAC Headphone Amplifier | Hi-Res Audio for Mobile & PC

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  Fosi Audio DS3: Experience True Hi-Res Audio On-the-Go The Fosi Audio DS3 is a compact, high-performance Digital-to-Analog Converter (DAC) and headphone amplifier designed for audiophiles who demand superior sound quality from their mobile devices and computers. Built around a premium decoding chip, the DS3 delivers breathtaking clarity, deep bass, and accurate sound staging. Key Features & Performance Exceptional Hi-Res Decoding: The DS3 supports high-resolution audio formats up to 32-bit/384kHz PCM and native DSD256. Hear every subtle detail and nuance in your favorite tracks, exactly as the artist intended. Powerful Headphone Amplification: Don't let its size fool you. The integrated amplifier provides robust power to effortlessly drive a wide range of headphones, from sensitive in-ear monitors (IEMs) to demanding over-ear headphones. Dual Headphone Outputs: Enjoy versatile connectivity with both a standard 3.5mm Single-Ended output and a balanced 4.4mm Balanced output. The balanced output significantly reduces noise and crosstalk, providing a cleaner and more powerful signal. Universal Compatibility: Plug and play functionality with most operating systems. Easily connect to your smartphone (Android/iOS), tablet, PC, or laptop via the included USB cable. It’s the perfect audio bridge between your digital source and your favorite headphones. Durable and Portable Design: The sleek, robust metal casing not only protects the internal components but also minimizes electromagnetic interference. Its lightweight and pocket-friendly design makes it an ideal companion for travel, office use, or simply listening at home. The Fosi Audio DS3 is the simplest way to unlock the full potential of your music library, transforming any ordinary digital source into a dedicated high-fidelity audio system.

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  $119.00 - $239.00

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  Fosi Audio Fosi Audio P4 Mini Preamplifier: 3-Input Stereo Preamp with Tone Control & Remote

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  Fosi Audio P4 Mini High-Fidelity Stereo Preamplifier The Fosi Audio P4 Mini Preamplifier is a high-performance, compact control hub designed to enhance your home audio system. It offers exceptional sound clarity, versatile connectivity, and user-friendly features in a sleek, all-aluminum chassis. Mini Control Hub with Triple Inputs: Easily connect up to three different audio sources—such as a CD player, DAC, streamer, or turntable (requires an external phono preamp)—using the three dedicated RCA inputs. Switch seamlessly between sources with a single click on the front panel or the included remote. Precision and Clarity: Engineered for audiophiles, the P4 delivers pristine audio quality with extremely low distortion (THD+N $\le 0.003\%$) and an excellent signal-to-noise ratio ($\ge 110\text{dB}$). Experience your music with a low noise floor and faithful sound reproduction. Motorized Volume Control & Remote: The high-precision motorized analog potentiometer allows for smooth, accurate volume adjustments from across the room via the included IR remote control. This minimizes noise and distortion compared to digital controls, ensuring a purer soundscape. Customizable Tone Control: Fine-tune your listening experience with $\pm 12\text{dB}$ bass and treble controls. A convenient bypass switch is included on the rear panel, allowing you to completely defeat the tone circuit for the purest, high-fidelity signal path when preferred. Flexible System Integration: The P4 features both a standard RCA output and a dedicated Pre-Out port. This volume-controlled pre-out is ideal for connecting an active subwoofer or a pair of powered speakers, providing flexible options for system upgrades and expansion. Adjustable Gain: A three-level gain adjustment switch (+3dB, +6dB, +9dB)  ensures perfect level matching for various audio sources, optimizing the signal before it reaches your power amplifier. The P4 Mini is the perfect companion for a power amplifier like the Fosi Audio V3, providing essential source selection, volume control, and audio customization in a compact, solid-state unit.

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  Fiio FiiO M15S – High-Res DAP with ES9038PRO, Android & Desktop Mode

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  FiiO M15S Desktop/Portable Hi-Res Digital Audio Player The Power of a Desktop Setup. The Freedom of a Portable Player. The FiiO M15S is an evolution of the classic M15, engineered to blur the line between portable convenience and desktop performance. It acts as a pocket-sized powerhouse, delivering the robust energy required to drive demanding over-ear headphones while remaining compact enough for your daily commute. Powered by the legendary ESS ES9038PRO DAC (a chip typically found in high-end desktop equipment), the M15S offers an uncompromised listening experience with elite-level resolution and dynamic range. Key Features & Highlights Desktop/Portable Dual Power Supply Modes: This is the game-changer. When connected to the included fast-charging adapter or the DK3S dock, the M15S activates "Desktop Mode," bypassing the battery to deliver a massive 1200mW+1200mW output power. It drives hard-to-power headphones (like the Sennheiser HD600/800s) with ease. Flagship ES9038PRO DAC: Utilizes the 8-channel desktop DAC chip for ultra-low distortion (THD+N <0.0003%) and a pristine noise floor. Every detail of your music is rendered with crystal clarity. Snapdragon 660 & Android 10: Experience a lag-free, smartphone-like interface. Install your favorite streaming apps—Spotify, Tidal, Qobuz, Apple Music—and enjoy bit-perfect playback thanks to FiiO's global SRC bypass. Five Gain Levels: From "Low" for sensitive IEMs to "Super High" for planar magnetic headphones, the M15S adapts to your entire gear collection. Full Wireless Capability: Supports two-way Bluetooth 5.0 with high-res codecs (LDAC, aptX HD, aptX Adaptive) and dual-band WiFi for seamless streaming and Roon Ready integration. Why Choose the FiiO M15S? 1. No More "Stacking" Required Audiophiles often carry a DAP strapped to an external amplifier to get enough power. The M15S eliminates this bulk. Its internal amp is powerful enough to stand alone, giving you a clean, one-device solution. 2. Advanced Heat Dissipation High power means heat. The M15S uses a stainless steel battery compartment and graphene heat dissipation technology to keep the device cool, ensuring consistent performance even during long listening sessions in High Gain mode. 3. A Visual & Tactile Joy Features a classic volume knob with an RGB indicator light, a responsive 5.5-inch HD display, and a "dragon scale" textured rear panel that feels premium in the hand and resists fingerprints. Technical Specifications SoC: Qualcomm Snapdragon 660 DAC Chip: ESS ES9038PRO Screen: 5.5-inch (1440x720) Touchscreen Output Power: Up to 1200mW (32Ω, Balanced, Ultra High Mode) Outputs: 3.5mm Single-Ended / 2.5mm Balanced / 4.4mm Balanced Battery: 6200mAh (Quick Charge 3.0/4.0 support) OS: Android 10 (Open System) MQA Support: 8x Unfolding What's in the Box: FiiO M15S Player x1 DK3S Heat Dissipation Dock x1 Leather Case x1 USB Power Cable & Data Cable x1 Quick Start Guide x1

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  $999.00

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  Fiio FiiO M17 – Desktop-Class Portable DAP with Dual ES9038PRO & THX AAA 788+

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  [Desktop Level ES9038PRO DAC]: Left and right audio channels each contain a desktop class 8-channel ES9038PRO DAC. This means that each audio channel has 8 parallel outputs added for superior resolution and minimal distortion for extremely pure audio reproduction. [THX 788+ Desktop Class Headphone Amplifier]: Desktop class amplification also plays an important role in M17 audio player. FiiO and THX have jointly developed the exclusive THX AAA-788+, an updated version of the original operational amplifier. Compared to the original, the output power is increased by 225% up to 3000mW per channel, with a lower output impedance - allowing you to power all types of headphones more easily. [Desktop Level Connectivity]: M17 mp3 player features: 3.5mm output: headphone output; 6.3mm output: headphone output; 2.5mm output: balanced headphone output; balanced headphone output/balanced line output; RCA coaxial port: coaxial input and output; 3 USB port .0: supports modes USB host and device, can be used for high-speed data transfers and fast charging; USB 2.0 port: support USB host mode. allowing external DACs or hard drive storage to be connected. Desktop Heat Dissipation: With exceptional audio quality, it comes with great power consumption, so effective heat dissipation was a big focus when designing the M17 music player. The H type heat dissipation and liquid cooling VC technologies are not only adopted, the 151g unibody aluminum alloy structure of the M17 Bluetooth mp3 player also effectively transfers the heat out of the device. Finally, the cooling fan holder also ensures that heat is transported quickly. Desktop Quality Power Supply: The M17 digital music player contains two power sources - one battery power supply and one external DC powered power supply. The battery power supply allows you to use the M17 lossless mp3 player in situations where there is no access to an outlet. Under the DC power supply, the voltage in the analog circuit is increased by 35% up to 11.5V compared to the power supply under the battery; and the battery is kept healthy, as it is not used in this mode. Desktop level gain: Under battery power, there are 4 levels of gain: low, medium, high and headphone mode. When in DC mode, the enhanced earphone mode gain is unlocked, with a true level of amplification gain on the desktop. At balanced output, the gain can reach 16dB - allowing the M17 audio player to easily drive most headphones. [A true smartphone-like experience]: Open Android 10 operating system to install third-party applications; Bluetooth 5.0 with aptX Adaptive support, supports up to DSD512 and 32bit/768kHz, supports 8x MQA deployment for master level sound. Massive 9200mAh Battery: The huge 9200mAh battery allows for up to 10 hours battery life on the M17 music player. It can be charged via USB or DC input from an external DC adapter. Battery capacity: 9200mAh; Charging time: 4.5 hours; Charging protocols: QC4.0 + PD; Battery life: 10.6 hours (single end), 8.6 hours (balanced). [Radiant RGB Ambient Light]: M17 Bluetooth MP3 Player features a seven color RGB ambient light system with extensive customization options. Colors can be set to be fixed, follow the audio, or follow a cycle. Ambient light brightness can be adjusted to change depending on current power, volume or temperature. And finally, the upper and side ambient lights can even be controlled separately, allowing you to dial exactly how you want your dazzling lights to be. Connection Methods: With Speakers: DC + LO Speakers; With Computer: USB DAC + Headphones; With Desktop DAC: USB/Coaxial Output + DAC; With Hard Drive Storage: DC + USB 2.0 + Hard Drive + Headphones; With Bluetooth Headphones: Bluetooth Transmitter + Bluetooth Headphones; Coaxial Decoding

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  eversolo Eversolo T8: Flagship Portable Hi-Fi Player, Dual DACs, Full Balanced Headphone Amplifier

  6 reviews

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  Eversolo T8: Uncompromised Studio Sound in Your Pocket The Eversolo T8 is a premium portable high-fidelity audio player engineered for the most discerning mobile audiophiles. Built on the technical expertise of Matrix Audio, the T8 is designed to deliver a desktop-class listening experience in a compact, rugged form factor. Every component, from the DAC to the headphone output stage, is optimized for maximum purity and driving power, allowing you to unlock the full potential of high-impedance headphones anywhere. 🔊 Technical Excellence and Pure Signal The T8 utilizes advanced architecture to ensure impeccable sound quality. Dual High-Performance DACs: Equipped with twin ESS ES9038Q2M DAC chips (one per channel), the T8 achieves outstanding dynamic range and ultra-low distortion, handling high-resolution audio formats up to DSD512 and PCM 768kHz. True Full Balanced Circuitry: The signal path is entirely balanced from the DAC output to the headphone jacks. This minimizes interference and crosstalk, delivering a cleaner, more precise stereo image. High Power Output: The T8 features a powerful, low-noise amplification stage capable of driving demanding, high-impedance headphones with authority and control via its 4.4mm balanced and 3.5mm unbalanced outputs. 📲 Connectivity and User Experience The T8 is built for versatile modern usage and smooth operation. Comprehensive Hi-Res Support: Native playback for a wide array of formats, including MQA decoding, FLAC, and WAV, ensuring you hear every detail of the master recording. Robust Connectivity: Includes both Balanced 4.4mm and standard 3.5mm headphone jacks, alongside versatile USB-C inputs/outputs for use as a transport or an external DAC. Intuitive Control: A crisp, responsive touchscreen provides seamless navigation of music libraries and settings, making it easy to manage your playback on the move. The Eversolo T8 is the ideal device for those who refuse to compromise on sound quality, offering audiophile-grade performance without being tethered to a desktop system.

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  eversolo Eversolo DMP-A8 – Flagship Streamer/DAC/Preamp with 32-bit/768 kHz & DSD512

  5 reviews

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  Eversolo DMP-A8: The Hybrid Flagship Digital Streamer and Preamplifier The Eversolo DMP-A8 stands as the pinnacle of the Eversolo lineup, representing a new generation of all-in-one digital audio solutions. It seamlessly integrates a state-of-the-art network streaming platform with a pure analog preamplifier, controlled by a sophisticated internal hybrid architecture. This flagship component is engineered to be the single source and control center for any high-end audio system, delivering unparalleled versatility and pristine sound quality. ⚙️ Innovative Hybrid Architecture The DMP-A8 combines the best of digital and analog worlds in one chassis: Digital Streamer & DAC: Features an advanced DAC chipset capable of decoding high-resolution formats including DSD512 and PCM 768kHz. It provides full access to streaming services (Tidal, Qobuz, Spotify) and Roon Ready functionality via its highly optimized Android platform. Pure Analog Preamplifier: The preamplifier section operates completely independently, utilizing high-end components to handle analog signals. This crucial separation minimizes digital interference and maintains the warmth and detail of the music. R-2R Volume Control: Employing a sophisticated R-2R resistor ladder network for volume attenuation, the DMP-A8 ensures perfect channel balance and low noise across the entire volume range, superior to traditional volume chips. 🖥️ Superior User Experience Eversolo focuses on making high-end audio intuitive and accessible. Large Touchscreen Interface: The prominent color touchscreen allows for effortless navigation of music libraries, settings, and streaming services, providing a clear visual representation of album art and playback status. Comprehensive Connectivity: Equipped with a wide array of digital (Optical, Coaxial, USB) and analog (RCA, Balanced XLR) inputs and outputs, allowing it to serve as the hub for all your audio components. Internal Storage Support: Easily install an internal M.2 SSD for direct local storage of your massive high-resolution music library. 🔊 Designed for Uncompromising Sound Every aspect of the DMP-A8 is optimized for audio performance. Its full-balanced XLR outputs ensure professional-grade signal delivery to your power amplifier, cementing the DMP-A8 as a true reference-grade digital source and control center. The Eversolo DMP-A8 is the ultimate single-box solution, delivering the convenience of modern streaming alongside the sonic performance of dedicated high-end separates.

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  eversolo Eversolo Play – All-in-One Streaming Amplifier, DAC & Hi-Fi Hub

  5 reviews

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  Eversolo Play: Your High-Fidelity Desktop Command Center The Eversolo Play is engineered to be the ultimate audio centerpiece for your desktop or personal listening station. Bridging the gap between portable convenience and full-sized Hi-Fi components, the Play packs sophisticated digital decoding, robust amplification, and seamless network streaming into a beautifully compact chassis. It is the perfect solution for audiophiles seeking premium performance without cluttering their workspace. 🎶 Multi-Functional Desktop Performance The Eversolo Play is designed as a three-in-one solution to simplify your setup: High-Resolution DAC: Utilizing a powerful DAC chip (model specific) and high-performance clocking, the Play decodes major formats including DSD and high-bitrate PCM, ensuring every digital detail is rendered with accuracy. Balanced Headphone Amplifier: Equipped with a clean, low-distortion, balanced amplification stage, the Play provides ample power to drive a wide range of headphones, delivering improved dynamics and a precise soundstage via its balanced outputs. Network Streamer: Access your digital music effortlessly. The Play connects to your local network, enabling playback from Roon, NAS, and major streaming services, all controlled via the intuitive Eversolo app. 🖥️ Compact Design and Connectivity The Play is built to maximize utility while minimizing desktop footprint. Space-Saving Form Factor: Its sleek, compact design fits neatly alongside monitors or laptops, making it an aesthetic and functional addition to any desk. Versatile Outputs: Features both balanced (XLR/4.4mm) and unbalanced (RCA/3.5mm) outputs, allowing it to connect directly to headphones, active desktop monitors, or a main audio system. User Interface: A clear display provides immediate feedback on playback status, resolution, and settings, offering an excellent visual experience without overcomplicating the design. The Eversolo Play delivers the power, clarity, and connectivity needed to transform your desktop into a true high-fidelity listening environment.

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  $699.00 - $799.00

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  Fiio FiiO BTR13 – Portable Bluetooth 5.1 LDAC DAC/Amplifier with 3.5 mm & 4.4 mm

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  FiiO BTR13 Portable Hi-Res Bluetooth DAC and Amplifier Versatility meets high-fidelity. The FiiO BTR13 is the ultimate all-in-one portable audio solution. Designed to replace the legendary BTR3K, this compact device transforms your wired headphones into a high-resolution wireless system. With a built-in color display and fully balanced architecture, the BTR13 delivers a premium listening experience in a lightweight, clip-on body. Dual-Core Power & Visual Control Dual Cirrus Logic CS43131 DACs Don't compromise on sound quality for convenience. The BTR13 is engineered with two CS43131 DAC chips, working in a balanced configuration to lower the noise floor and increase dynamic range. This ensures that every note is reproduced with crystal-clear precision, whether you are listening via the 3.5mm standard or 4.4mm balanced output. 0.96-Inch IPS Color Display Unlike basic receivers, the BTR13 features a vibrant 0.96-inch color screen. Easily view critical information at a glance, including volume levels, power status, current Bluetooth codec (LDAC, aptX, etc.), and EQ settings. No more guessing—you are in total control. Seamless Connectivity for Every Scenario Global Bluetooth High-Res Support Powered by the Qualcomm QCC5125 Bluetooth chip, the BTR13 supports all major high-resolution wireless codecs, including LDAC, aptX HD, and aptX Adaptive. Enjoy stable, lag-free audio streaming with up to 96kHz/24bit resolution. Patented Car Mode (PC/Phone Switch) The BTR13 is not just for headphones. With its dedicated three-position toggle switch, you can instantly switch between "PC" (USB DAC), "BT" (Bluetooth), and "PHONE" modes. The patented Car Mode allows the device to power on and off automatically with your vehicle's engine, making it the perfect auxiliary audio upgrade for your car stereo. Technical Specifications Feature Detailed Specification DAC Chipset Dual Cirrus Logic CS43131 Bluetooth Chip Qualcomm QCC5125 Display 0.96-inch IPS Color Screen Outputs 3.5mm Single-Ended + 4.4mm Balanced Output Power L+R ≥ 220mW (32Ω Balanced) Codecs Supported LDAC, aptX Adaptive, aptX HD, AAC, SBC Battery Life Approx. 8 Hours (Charging time < 2h) USB DAC Mode Driver-free UAC 1.0 / High-Res UAC 2.0 Weight Approx. 28.6g Why Choose the FiiO BTR13? Ultra-Lightweight Clip Design: Weighing only 28.6g, it clips securely onto your shirt or pocket, making it ideal for gym sessions, commuting, or running. Independent Power Supply: The built-in amplifier has its own power supply system to ensure cleaner transmission and stronger drive capability for your IEMs. App Control: Compatible with the FiiO Control App, allowing you to customize the 10-band PEQ (Parametric EQ) and adjust channel balance to suit your hearing preference. Versatile USB DAC: Connect it to your laptop or Nintendo Switch via USB-C to act as an external sound card, instantly upgrading your gaming or movie audio. Frequently Asked Questions What is the difference between BTR13 and BTR15? The BTR13 is more compact and lighter, focusing on portability with a clip design. The BTR15 is larger, offers slightly higher power output, and features a glass sandwich design without a built-in clip. Can I use the mic for calls? Yes, the BTR13 has a built-in high-sensitivity omnidirectional microphone with cVc noise cancellation, ensuring clear voice calls even in noisy environments. Does it support simultaneous connection to two devices? Yes, thanks to Bluetooth multipoint technology, you can connect the BTR13 to your laptop and phone at the same time, ensuring you never miss a call while watching a movie.

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  Fiio FiiO K9 – Desktop DAC & Headphone Amplifier with THX AAA 788+

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  FiiO K9 Desktop Balanced DAC and Headphone Amplifier Experience pure, unadulterated sound. The FiiO K9 is a high-performance desktop DAC and amplifier designed to deliver studio-grade audio to your favorite headphones. Built with a focus on balanced power and low-distortion amplification, the K9 serves as the perfect centerpiece for audiophiles who demand precision and musicality without compromise. High-Performance Dual DAC Architecture Dual ES9068AS DAC Chips The K19 features two high-performance ES9068AS DAC chips, handling the left and right channels independently. This ensures a clean, high-resolution signal with an impressive signal-to-noise ratio and incredibly low total harmonic distortion, bringing out the finest nuances in your lossless music collection. Fully Balanced Circuitry From the DAC stage to the amplification, the K9 maintains a fully balanced design. This architecture significantly reduces internal noise and crosstalk, resulting in a more expansive soundstage and precise instrument placement that places you right in the center of the performance. Legendary THX Amplification THX AAA 788+ Technology Power meets purity. The K9 utilizes the renowned THX AAA 788+ amplifier modules, capable of providing an effortless 2000mW of power into 32Ω loads and 780mW into 300Ω. This ensures even the most power-hungry high-impedance headphones are driven with full dynamics and authoritative bass. Six-Stage Audio Circuit The audio signal travels through a meticulously designed six-stage process, including I/V conversion, LPF, and volume control. This rigorous engineering ensures that every milliwatt of power is delivered with the highest fidelity possible. Technical Specifications (Official) Feature Detailed Specification DAC Chipset Dual ESS ES9068AS Amplifier Technology Dual THX AAA 788+ Decoding Support Up to 768kHz/32bit PCM, DSD512 Output Power 1 L+R ≥ 2000mW (32Ω, Balanced, THD+N < 1%) Output Power 2 L+R ≥ 780mW (300Ω, Balanced, THD+N < 1%) Bluetooth Codecs LDAC, aptX HD, aptX Adaptive, AAC, SBC Connectivity USB, Optical, Coaxial, RCA, 4.4mm Balanced, XLR-4 Why the FiiO K9 is an Audiophile Essential High-Resolution Bluetooth: Equipped with the QCC5124 chip, the K9 supports LDAC and aptX Adaptive, offering high-bitrate wireless audio that rivals wired connections. Three Gain Levels: Switch between Low, Medium, and High gain to perfectly match everything from ultra-sensitive In-Ear Monitors (IEMs) to demanding over-ear headphones. Integrated Linear Power Supply: Features a custom-built toroidal transformer and high-capacity capacitors to provide clean, stable power for pure sound reproduction. FiiO Control App Integration: Customize your listening experience by adjusting filters, EQ curves, and channel balance directly from your smartphone. Frequently Asked Questions Can I use the FiiO K9 with my active studio monitors? Yes. The K9 features dedicated RCA and balanced XLR line-out ports. You can switch the output mode to "Pre" to control the volume of your monitors directly from the K9's front knob. Does it support MQA? Yes, the FiiO K9 provides full MQA rendering, allowing you to enjoy master-quality audio from streaming services like Tidal. What is the difference between the K9 and K9 Pro? The K9 uses the dual ES9068AS DAC chipset, whereas the K9 Pro features flagship AKM or ESS9038PRO chips. However, the K9 retains the same THX AAA 788+ amplification and balanced architecture, offering incredible value.

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  Fiio FiiO RETRO NANO – Retro-Style Bluetooth DAC/Amp with LDAC & Balanced Out

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  Bluetooth DAc and Headphone AmplifierClassic tape player look |Dynamic retro Ul |Replaceable batterySpecially tuned retro sound presets | Bluetooth and wired modes LDAC high-res Bluetooth. The Fiio RETRO NINO is a compact anduniquely designed portable DAC (Digitato-Analog Converter) and headphoneamplifier. lt stands out in Fiio's lineup bycombining modern audio technology witha distinct retro aesthetic,reminiscent ofclassic gaming consoles and vintageelectronics.Here are the key characteristics of the FiioRETRO NINO:1. Unique Retro Design:,The most striking feature is its nostalgicdesign language.lt incorporateselements like a classic D-pad for volumecontroland playback, colorful actionbuttons(A/B/X/Y), and a pixel-art fontThis design evokes a sense of fun andnostalgia, differentiating it from themore technical and minimalist look ofmost other audio gear

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  Questyle Questyle M12i

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  1. Master-Level Audio in Your Pocket The Questyle M12i is a high-performance Mobile Hi-Fi DAC and Headphone Amplifier that brings Questyle’s world-renowned stationary audio technology into a portable form factor. Engineered to meet the strict standards of Apple MFi certification, the M12i ensures flawless compatibility and maximum performance for iPhone, iPad, and Mac users, as well as Android and PC enthusiasts. 2. Key Features & Patented Technology Patented Current Mode Amplification Unlike Traditional Amps: Most portable amps use Voltage Mode, which can struggle with high-frequency distortion. Questyle’s patented Current Mode Amplification offers a massive bandwidth and ultra-low distortion (0.0003%), providing a warm, natural, and powerful sound that mimics high-end desktop stacks. Infinite Driving Power: Despite its size, it intelligently detects the impedance of your headphones and automatically adjusts its gain level to provide the perfect drive. Flagship ESS Decoding Stage Lossless Precision: Powered by the ESS9281AC flagship SoC, the M12i supports high-resolution files up to 32-bit/384kHz and DSD256. Smart Status Indicator: The built-in LED changes color based on the audio format and sampling rate, giving you instant confirmation that you are listening to true high-resolution or MQA audio. MFi Certified & Universal Compatibility Apple Ready: As an MFi-certified device, the M12i guarantees stable connection and power management for Apple devices, avoiding the "accessory not supported" errors common with non-certified DACs. Plug-and-Play: No drivers are needed for iOS, Android, macOS, or Windows. Simply plug in and transform your device into a high-end audio player. 3. Technical Specifications Component Specification Amplification Patented Current Mode Technology DAC Chip ESS ES9281AC Decoding Support PCM 384kHz / DSD256 Output Port 3.5mm Headphone Jack THD+N 0.0003% Input Interface USB Type-C Chassis Material CNC Machined Aluminum (Space Gray) 4. Why the M12i is the Ultimate Travel Partner The Questyle M12i is designed for the audiophile who refuses to settle for "good enough" when traveling. While other mobile DACs can sound clinical or thin, the M12i provides a rich, holographic soundstage that brings your music to life. Its ultra-low power consumption ensures your phone's battery lasts longer, making it the perfect companion for long flights or daily commutes.

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  Questyle Questyle M15i

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  1. Desktop Performance, Pocket Mobility The Questyle M15i is the pinnacle of mobile audio engineering. Building on the award-winning legacy of the original M15, the "i" version brings enhanced Apple MFi certification and refined circuitry. By utilizing four total Current Mode Amplification circuits, the M15i provides a level of driving power and sonic transparency that was previously thought impossible for a device powered solely by a smartphone. 2. Key Features & Reference-Grade Tech Four Current Mode Amplification Engines Dual-Engine Architecture: The M15i contains two patented Current Mode Amplification modules per channel (four total). This balanced approach delivers a massive soundstage, lightning-fast transient response, and virtually zero background noise. Pure Analog Texture: Unlike traditional op-amp designs that can sound "digital," Current Mode technology provides a warm, organic, and holographic presentation that honors the original recording. Dual Output Options: Balanced & Single-Ended 4.4mm Balanced Output: For those using high-end balanced cables, the 4.4mm port offers maximum power and channel separation. 3.5mm Single-Ended Output: Optimized for standard headphones and IEMs, ensuring high compatibility without sacrificing quality. Manual Gain Switch: A physical hardware switch allows you to toggle between High/Low gain, ensuring the M15i can drive anything from 16Ω In-Ear Monitors to 300Ω studio headphones. The Iconic Transparent Aesthetic Visual Engineering: The M15i retains its signature transparent glass cover, revealing the high-end components, gold-plated PCB, and precise soldering within. It is as much a work of art as it is a piece of audio equipment. Apple MFi Certified: Fully certified by Apple, ensuring the M15i handles power management perfectly and supports full bit-perfect playback on iOS devices. 3. Technical Specifications Component Specification Amplification 4x Patented Current Mode Modules DAC Chip Flagship ESS ES9281AC Outputs 4.4mm Balanced / 3.5mm Single-Ended Decoding Support PCM 384kHz / DSD256 THD+N 0.0003% (Reference Level) Gain Control Hardware Manual Switch (High/Low) Body Material CNC Aluminum + Tempered Glass 4. Why the M15i is the Audiophile's Choice The Questyle M15i (ID for illustrative purposes) is designed for those who own high-end headphones (like Focal, Sennheiser, or HiFiMAN) and want to hear them at their full potential while away from their desk. It provides a "black" background with zero hiss, making it perfect for hyper-sensitive IEMs, yet has the voltage swing to make full-sized headphones sing.

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  Questyle Questyle M15C

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  1. Reference Audio for the Type-C Era The Questyle M15C is a professional-grade Mobile DAC and Headphone Amplifier that brings the world-renowned "Current Mode" sound to the modern Type-C ecosystem. With the industry shifting toward universal Type-C connectivity, the M15C is fine-tuned to provide a bit-perfect, high-resolution bridge between your digital files and your high-end headphones, delivering desktop-class transparency in a pocket-sized form factor. 2. Key Features & Audiophile Innovations The Power of Current Mode Amplification Patented Tech: At the core of the M15C are four Current Mode Amplification engines. Unlike traditional voltage-based amps, this technology offers a massive 1MHz bandwidth and ultra-low distortion, resulting in a sound that is incredibly fast, detailed, and organic. Effortless Dynamics: It provides a level of control over your headphone drivers that standard mobile DACs cannot match, ensuring tight bass, clear mids, and airy highs. High-Resolution ESS Flagship Decoding Bit-Perfect Audio: Featuring the ESS ES9281AC flagship DAC chip, the M15C supports hardware decoding for PCM 384kHz, DSD256, and MQA. Dual Output Versatility: Equipped with both a 3.5mm Single-Ended and a 4.4mm Fully Balanced output, providing maximum compatibility for all your professional cables. Advanced Power Management & Gain Switch Mobile-Friendly Efficiency: The M15C is optimized for low power consumption, preventing excessive battery drain on your smartphone while maintaining high-voltage swing. Manual Gain Control: A dedicated High/Low gain switch allows you to tailor the output power—use Low gain for sensitive IEMs to eliminate hiss, or High gain for demanding over-ear headphones. 3. Technical Specifications Component Specification Amplification 4x Patented Current Mode Engines DAC Chip ESS Sabre ES9281AC Outputs 4.4mm Balanced / 3.5mm Single-Ended Decoding Support PCM 384kHz / DSD256 / MQA THD+N 0.0003% Input Port USB Type-C Body Material CNC Machined Aluminum + Tempered Glass 4. Why the M15C is the Gold Standard The Questyle M15C is more than a dongle; it is a portable statement of engineering. Its transparent glass design allows you to see the high-end components and gold-plated PCB, symbolizing the transparency of the audio signal itself. For users who have transitioned to Type-C devices and want a dedicated, high-performance audio path, the M15C offers the most refined listening experience available today.

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  Questyle Questyle M18i

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  1. The Portable Masterpiece The Questyle M18i is the definitive flagship of the M-series mobile DAC/Amp line. Engineered for the most demanding audiophiles, the M18i provides desktop-grade power in a device that fits in your hand. With a fully balanced circuit and enhanced Apple MFi certification, it is the ultimate solution for extracting every drop of detail from high-resolution streaming services like Tidal, Qobuz, and Apple Music. 2. Key Features & Reference Engineering Quad-Engine Current Mode Amplification Reference Purity: The M18i features four independent Current Mode Amplification modules. Unlike traditional voltage-mode amps, this patented technology eliminates the bottleneck of high-frequency distortion, providing a soundstage that is deep, wide, and incredibly natural. Massive Voltage Swing: Designed to drive professional-grade headphones, the M18i offers the energy and headroom required for 300Ω+ studio monitors while maintaining a silent, "black" background for ultra-sensitive IEMs. Dual-DAC Flagship Decoding Dual Chip Architecture: Equipped with a Dual-DAC configuration (utilizing flagship ESS Sabre chips), the M18i offers superior channel separation and a massive dynamic range of 130dB+. Ultra-High Resolution: Supports bit-perfect decoding for PCM up to 768kHz, DSD512, and full MQA rendering. Intelligent Power & Gain Management Hardware Gain Switch: A dedicated physical switch for High/Low gain allows you to instantly optimize the output for your specific headphones. TOREX Power Management: High-efficiency power management ensures that the M18i delivers maximum performance without draining your smartphone’s battery excessively. 3. Technical Specifications Component Specification Amplification 4x Patented Current Mode Engines DAC Chipset Dual Flagship ESS Sabre Series Outputs 4.4mm Balanced / 3.5mm Single-Ended Decoding Support PCM 768kHz / DSD512 / MQA THD+N < 0.0002% Connectivity USB Type-C (Apple MFi Certified) Material CNC 6063 Aviation Aluminum 4. Why the M18i is the Final Upgrade The Questyle M18i is for the listener who refuses to compromise. It features an upgraded Gold-Plated PCB and the signature transparent glass design that showcases the precision of Questyle’s engineering. If you own flagship headphones and want to hear them at their absolute limit without being tethered to a desk, the M18i is the most capable mobile DAC/Amp ever produced.

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