Fosi Audio V3: High-Power TI TPA3255 Stereo Class D Amplifier The Fosi Audio V3 redefines the capabilities of a compact desktop amplifier. Utilizing the cutting-edge Texas Instruments TPA3255 Class D chip, the V3 delivers immense power, exceptional efficiency, and pristine audio quality, making it the perfect choice for driving demanding passive speakers in a desktop, bookshelf, or small room setup. Flagship Chipset for Immense Power The V3 is engineered around a powerful architecture to achieve clean, high-wattage output. TI TPA3255 High-Fidelity Chip The V3 employs the renowned Texas Instruments TPA3255 high-efficiency Class D amplifier chip. This core component enables the V3 to deliver substantial power while maintaining extremely low distortion across its operational range. Massive Output Capability With the capability to deliver up to 300 Watts of power per channel into a 4Ω load (when using a strong power supply), the Fosi Audio V3 can effortlessly drive large, low-sensitivity, or power-hungry passive speakers with excellent dynamic control and punch. Customization and High-End Design The V3 offers features typically found on more expensive audiophile equipment, allowing users to tailor the sound. Interchangeable Op-Amps (Rolling) A standout feature is the ability to easily swap or "roll" the operational amplifiers (Op-Amps). This allows enthusiasts to experiment with different Op-Amp chips to subtly adjust the amplifier's sonic signature and match their personal listening preferences. High-Quality Components The V3 is built with premium components, including Wurth inductors, Nichicon capacitors, and WIMA film capacitors, ensuring long-term reliability and contributing to its excellent sound reproduction quality. Simple and Robust Integration Compact Form Factor: The V3 maintains an incredibly small footprint, allowing it to integrate seamlessly onto a crowded desk or bookshelf without sacrificing performance. Volume and Tone Controls: Features a smooth, tactile volume control knob on the front panel for easy manual adjustment. Simple Analog Input: The amplifier provides a standard RCA analog input, allowing easy connection to any external DAC, preamp, or audio source.

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1. Pure Power for Your Home Audio The Fosi Audio TB10D is a high-performance Class D power amplifier designed to deliver massive energy in a compact footprint. As an upgraded version of its predecessors, it focuses on raw driving power and sonic clarity, making it an ideal choice for audiophiles who want to push their passive speakers to their full potential. 2. Key Features & Performance Audiophile-Grade TPA3255 Chip Incredible 600W Output: Equipped with the premium Texas Instruments TPA3255 amplifier chip, the TB10D delivers up to 300W x2 (@4Ω). It provides deep, controlled bass and crystal-clear highs, even at high volume levels. Ultra-Low Distortion: Maintains high efficiency while keeping Total Harmonic Distortion (THD ≤ 0.03%), ensuring that your music stays true to the original recording. Simple Yet Precise Control Tactile Tone Tuning: Features independent Bass and Treble knobs with a center-detent (middle position) for a flat response. This allows you to easily compensate for room acoustics or tailor the sound to your personal taste. Efficient Heat Dissipation: The solid aluminum alloy chassis acts as a natural heatsink, ensuring stable performance during long listening sessions. Universal Connectivity Plug-and-Play RCA Input: Standard RCA inputs make it compatible with DACs, CD players, streamers, or your computer's audio output. High-Quality Terminals: Gold-plated speaker binding posts ensure a secure connection for banana plugs or raw speaker wire. 3. Technical Specifications Component Specification Amp Chip Texas Instruments TPA3255 Power Output 300W x2 @4Ω Input Mode RCA Unbalanced Terminating Impedance 2Ω - 8Ω THD / SNR 0.03% / 110dB Frequency Range 20Hz - 20kHz (±3dB) Power Supply 32V/5A (Included) 4. Why Choose the TB10D? The Fosi Audio TB10D is the perfect solution for those who prioritize performance and value. It strips away unnecessary features like Bluetooth to focus entirely on amplification quality. If you already have a high-quality DAC or streamer and need a "workhorse" amp to drive your speakers, the TB10D is the most powerful option in its price bracket. Fosi Audio TB10D Fosi Audio V3 Amplifier Chip Amplifier Chip TPA3255 Amplifier Chip TPA3255 Tone Control Tone Control Dedicated Bass and Treble knobs Tone Control None (Pure bypass for sound integrity) Op-Amp Design Op-Amp Design Integrated (Non-replaceable) Op-Amp Design Replaceable (Supports Op-Amp rolling) Cooling Cooling Standard aluminum chassis Cooling Ventilated chassis with advanced thermal design Inputs Inputs RCA Inputs RCA Outputs Outputs Passive Speakers Outputs Passive Speakers + 3.5mm Pre-out Best For Best For Budget-conscious users who want to tune their sound Best For Audiophiles seeking pure sound and future upgrades Key Differences & Recommendation Choose the Fosi Audio TB10D if you want a simple, powerful "workhorse" amp. The physical tone controls are perfect if your speakers or room acoustics need a bit of adjustment (e.g., boosting the bass). It offers the best value for raw power. Choose the Fosi Audio V3 if you are an audiophile who wants the cleanest signal possible. It removes tone controls to prevent signal interference and features swappable Op-Amps, allowing you to customize the sound signature later. The Pre-out port also makes it easier to add an active subwoofer.

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1. Professional-Grade Balanced Power The Fosi Audio ZA3 is a breakthrough in compact high-fidelity amplification. Engineered for enthusiasts who demand precision and versatility, it features a fully balanced architecture and the high-end Texas Instruments TPA3255 chip. Whether used as a standalone stereo amp or paired as dual-mono blocks, the ZA3 delivers a level of sonic transparency usually reserved for high-end rack gear. 2. Key Features & Innovations Innovative Stereo/Mono Switchable Design Dual-Mode Versatility: The ZA3 is a "chameleon" in your setup. Use it in Stereo Mode for a classic 2.0 desktop system, or flip the switch to Mono Mode to harness massive power for a single speaker. This allows you to scale your system by adding a second ZA3 later for a true dual-mono configuration. Subwoofer Out: Includes a dedicated active subwoofer output with a built-in crossover, making it easy to create a powerful 2.1 or 0.1 home theater foundation. Audiophile Components & Connectivity XLR Balanced Input: To ensure a noise-free signal, the ZA3 features XLR balanced inputs that reject electromagnetic interference, ideal for long cable runs and professional DAC connections. Premium Internal Hardware: Built with high-quality Japanese NCC and ELNA capacitors and German WIMA inductors, ensuring a stable power supply and a refined, airy high-end. Replaceable Op-Amps: Features DIP8 sockets for Op-Amp rolling. Enthusiasts can swap the stock TI NE5532 for Muses02 or OPA2134 to fine-tune the sound texture. Advanced Thermal Management Reinforced Cooling: The entire CNC aluminum chassis acts as a giant heatsink, complemented by an innovative side-ventilation design to ensure stable performance even during high-output sessions. 3. Technical Specifications Component Specification Amp Chip Texas Instruments TPA3255 Power Output Stereo: 155W x2 @4Ω / Mono: 235W @4Ω Input Mode XLR Balanced, RCA Unbalanced Output Mode Speaker Out, Subwoofer Out Frequency Response 20Hz - 20kHz (±0.1dB) SNR / THD ≥ 106dB / ≤ 0.006% Op-Amp TI NE5532 (Replaceable) 4. Why the ZA3 is the New Industry Standard The Fosi Audio ZA3 represents the evolution of Class D amplification. It bridges the gap between affordable desktop audio and high-end Hi-Fi. By supporting balanced inputs and providing a Mono-block option, it gives you a professional path to upgrade your audio system without replacing your entire setup.

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Eversolo AMP-F2: High-Power Class-D Stereo Amplifier The Eversolo AMP-F2 is a high-performance stereo power amplifier designed to deliver immense power and pristine audio fidelity to even the most demanding loudspeaker systems. Built around the renowned Purifi Eigentakt Class-D module, the AMP-F2 ensures an extremely low noise floor, ultra-low distortion, and exceptional linearity across the entire frequency spectrum, offering a sound that is both powerful and transparent. Key Features High-Current Design: Effortlessly drive a wide range of speakers, from bookshelf monitors to demanding floor-standing towers, with stable and dynamic power. Ultra-Low Distortion (<0.03% THD): Hear every detail as the artist intended. Our advanced circuitry ensures a clean, transparent signal from the softest whisper to the most explosive crescendo. Wide Frequency Response (10Hz - 100kHz): Reproduces the full spectrum of sound, capturing subtle harmonics and ultra-low bass that lesser amplifiers miss. Advanced Protection Circuitry: Built-in safeguards against short circuits, over-current, over-temperature, and DC offset protect your valuable amplifier and speakers. RCA & XLR Input Options: Offers versatile connectivity for both consumer and professional audio sources, ensuring seamless integration into any system. Sleek, Robust Chassis: The durable metal construction not only looks premium but also effectively dissipates heat for optimal long-term performance. Technical Specifications Specification Details Output Power 200 Watts per channel @ 8Ω (RMS)350 Watts per channel @ 4Ω (RMS) Total Harmonic Distortion (THD+N) < 0.03% (1kHz at rated power) Frequency Response 10Hz - 100kHz (+1/-3 dB) Signal-to-Noise Ratio (SNR) > 110 dB (A-weighted) Input Sensitivity 1.0V (for RCA), 2.0V (for XLR) Input Impedance 47 kΩ (RCA), 20 kΩ (XLR) Damping Factor > 300 @ 8Ω Input Connectors 1 x Stereo RCA Pair, 1 x Stereo XLR Pair Speaker Terminals High-quality 5-way Binding Posts Power Supply Toroidal Transformer with Independent Regulation Dimensions (W x H x D) 17.3" x 4.7" x 15.7" (440mm x 120mm x 400mm) Net Weight 28.6 lbs (13 kg) Why Choose the AMP-F2? Pure Audio Fidelity: We prioritize sound quality above all, using premium components for a neutral and engaging listening experience. Built to Last: The AMP-F2 is manufactured to the highest standards, ensuring reliability and performance for years to come. Versatile Application: Perfect for stereo music systems, as a powerhouse for home theater front channels, or in professional audio setups. Elevate your audio experience. Add the AMP-F2 Power Amplifier to your cart today.

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Eversolo AMP-F10 – Flagship High-Power Class-AB Amplifier The Eversolo AMP-F10 is a premium, flagship stereo power amplifier engineered for demanding audiophile systems. Combining the musical warmth of Class-A bias with the high-efficiency dynamics of Class-AB architecture, the AMP-F10 provides robust power and sonic purity to drive even the most difficult-to-manage speakers. Unrivaled Power and Performance The AMP-F10 is built around a massive 1000W dual-channel independent linear power supply that guarantees stable, instantaneous power for extreme musical dynamics. Stereo Output: Delivers a continuous 200W RMS per channel into 8 ohms and 320W RMS per channel into 4 ohms. Bridged Mono Mode: For maximum power, the amplifier can be bridged to mono, providing a colossal output of up to 950W RMS into 4 ohms. Audiophile-Grade Sound Quality This amplifier is designed to preserve every detail of your music with uncompromising fidelity: Ultra-Low Distortion: Features a Total Harmonic Distortion plus Noise (THD+N) of just 0.008%, ensuring the sound you hear is faithful to the original recording. Excellent SNR: A Signal-to-Noise Ratio of 113dB (A-weighted) maintains a dark background, allowing musical nuances to shine through. High Damping Factor: With a damping factor exceeding 600, the AMP-F10 provides exceptional control over speaker cone movement, resulting in powerful, tight, and clear low-frequency performance. Flexible Connectivity and Design The AMP-F10 is ready for seamless integration into any high-end audio setup. It includes both balanced XLR inputs and unbalanced RCA inputs for versatile connection to your preamplifier or network streamer. A selectable gain switch (23dB or 29dB) and a 12V trigger port offer added flexibility and system control. The elegant chassis features front-panel VU meters, providing a visual display of the signal levels and adding a classic Hi-Fi aesthetic. The Eversolo AMP-F10 is the ultimate power solution for serious listeners, transforming every listening session into an immersive, authentic musical experience. Technical Specifications Specification Details Output Power 2 x 180W (@8Ω), 2 x 320W (@4Ω) Amplifier Type Class D Inputs Balanced XLR, Unbalanced RCA Signal-to-Noise Ratio (SNR) ≥120dB (XLR) Total Harmonic Distortion (THD+N) <0.004% Frequency Response 20Hz - 20kHz (±0.1dB) Power Supply Toroidal Transformer Dimensions (W x H x D) 320 x 220 x 60 mm Net Weight 8.5 kg

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