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Elevate Your Sound, Simplify Your Life The WA20 Wireless Amplifier is a complete high-fidelity solution that transforms home music experiences for both audiophiles and casual listeners. Built with a premium PCM5102A DAC chip and 100W of peak power per channel, it delivers stunning clarity and warmth to your favorite speakers, eliminating tangled wires and clunky components while blending seamlessly into your home decor. Key Features Studio-Grade Lossless Audio: Equipped with a high-performance PCM5102A converter, the WA20 supports up to 32-bit/384kHz PCM files and DSD256 decoding for pure, unadulterated sound. Its 100W RMS per channel output drives power-hungry speakers with dynamic range and precision that rivals more expensive systems. Multi-Mode Wireless Connectivity: Enjoy flexible streaming with Bluetooth 5.4, Wi-Fi 6, and Apple AirPlay 2 support. Pair your device via Bluetooth or connect to your home network to access high-resolution tracks from Spotify Connect, Tidal Connect, Amazon Music HD, and more, with seamless multi-room audio synchronization. Intuitive App Control: Fine-tune your sound with the companion WA Audio app, available for iOS and Android. Adjust 10-band EQ settings, create custom playlists, switch between inputs, and schedule wake-up alarms, while keeping your amplifier up-to-date with the latest firmware improvements. Universal Compatibility: The WA20 works with almost any speaker system, featuring RCA line-in/out ports, a 3.5mm aux input, and an optical TOSLINK input for connecting TVs, turntables, and CD players. It also supports voice control via Amazon Alexa and Google Assistant for hands-free playback control. Sleek, Space-Saving Design: Measuring just 7.2 x 6.3 x 1.8 inches and weighing under 2 pounds, the WA20 fits easily on any shelf or desk. Its modern, minimalist design with a brushed aluminum top panel and LED status light complements any home decor, while its robust build ensures long-lasting performance. Universal Compatibility The WA20 integrates seamlessly with your existing audio ecosystem, making it the heart of your home sound system. Connect it to: Passive Speakers: Drive any bookshelf, tower, or surround sound speakers with 4-8 ohm impedance and up to 200W power handling. Active Speakers & Subwoofers: Use the line-out port to connect powered speakers or a subwoofer for enhanced bass response and a more immersive listening experience. Turntables & Analog Sources: Pair with a phono preamp to connect your record player and enjoy warm, vintage vinyl sound with the convenience of modern wireless technology. Smart Devices: Stream directly from your iPhone, iPad, Android phone, or tablet via Bluetooth or Wi-Fi, with seamless integration for Apple devices through AirPlay 2. Home Theater Systems: Connect your TV, Blu-ray player, or gaming console via the optical input to upgrade your movie and gaming audio with room-filling sound and crystal-clear dialogue. Whether you're building a new audio setup or upgrading your existing system, the WA20 Wireless Amplifier delivers the performance, flexibility, and ease of use you need to enjoy music the way it was meant to be heard.

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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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WA30 Multi-Room WiFi Amplifier: Transform Your Home into a Immersive Audio Sanctuary Hi-Fi Sound, Seamless Whole-Home Coverage, and Effortless Control—Powered by STA358BW Chip Gone are the days of being confined to a single speaker in one room or dealing with the frustration of dropped Bluetooth connections. The WA30 Multi-Room WiFi Amplifier redefines home audio by creating a unified, high-fidelity sound network that flows with you throughout your living space. Whether you’re prepping a meal in the kitchen, unwinding with a book in the bedroom, or hosting friends in the living room, the WA30 ensures your favorite music, podcasts, or audiobooks are always within reach—delivered with studio-grade clarity. Hi-Fi Grade Performance: Engineered for Audiophiles At the heart of the WA30 lies the premium STA358BW audio chip, a component trusted by professional audio engineers for its ability to minimize distortion and maximize sound precision. Paired with a robust 50W x 2 stereo output, this amplifier breathes life into every track, from the deep, resonant bass of classical compositions to the crisp, clear vocals of acoustic performances. Unlike budget amplifiers that compress audio at high volumes, the WA30 maintains consistent, distortion-free sound even when filling large rooms, making it ideal for both casual listening and critical audio appreciation. Seamless Multi-Room Control: Music That Follows You The WA30’s true magic lies in its ability to turn your home into a connected audio ecosystem. Using intuitive WiFi connectivity, you can link multiple WA30 amplifiers across different rooms and control them all via a single mobile app. Choose to sync the same playlist across your entire home for a cohesive party atmosphere, or play independent audio streams in each room—so someone can listen to a podcast in the office while another enjoys jazz in the dining room. The system also supports multi-user access, allowing family members to take control of their room’s audio without disrupting others. Versatile Connectivity: Compatible with All Your Devices Designed to integrate seamlessly with modern and legacy audio setups, the WA30 offers a range of connectivity options to suit your needs. Its built-in Bluetooth 5.0 ensures stable, long-range wireless connections with smartphones, tablets, and laptops, while WiFi streaming supports high-resolution audio formats like FLAC and WAV for lossless sound quality. For wired setups, the amplifier includes analog RCA inputs, allowing you to connect turntables, CD players, or other traditional audio sources. Whether you prefer cutting-edge wireless streaming or the warmth of physical media, the WA30 adapts to your lifestyle. Effortless Setup & Intuitive Design Setting up your WA30 system is as simple as plugging in the amplifier, connecting it to your home WiFi network via the app, and pairing it with your speakers. The amplifier’s compact, sleek design blends seamlessly with any home decor, while its intuitive LED indicator keeps you informed of connection status and playback mode at a glance. For added convenience, the WA30 is compatible with popular voice assistants, allowing you to adjust volume, switch tracks, or change rooms using simple voice commands. Elevate Every Moment with WA30 The WA30 Multi-Room WiFi Amplifier isn’t just an audio device—it’s a lifestyle upgrade. It eliminates the boundaries between rooms, transforms ordinary moments into immersive experiences, and delivers sound quality that satisfies even the most discerning listeners. Whether you’re a music lover, a busy parent, or someone who values both convenience and premium audio, the WA30 is designed to fit seamlessly into your life and elevate every sound you love.

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Precision Redefined: The Reference Timing Standard The LHY Audio OCK-2P is a professional-grade 10MHz master clock generator engineered to provide the absolute reference frequency for the world's most demanding digital audio systems. By replacing the internal clocks of your DACs, CD players, and network switches with the OCK-2P’s ultra-stable signal, you eliminate the "digital grit" and restore the natural, fluid harmonics of the original recording. Why the OCK-2P is Essential: Professional Grade SC-CUT OCXO: The OCK-2P uses a hand-picked, high-specification SC-CUT Oven Controlled Crystal Oscillator. This core provides superior long-term stability and extremely low phase noise, ensuring your digital audio components operate in perfect synchronicity. Triple Independent Outputs: Featuring 3 BNC outputs, the OCK-2P can synchronize three devices at once. Each output is physically isolated to prevent cross-interference. Universal Compatibility: Each of the 3 outputs features its own independent toggle for 50 $\Omega$ / 75 $\Omega$ impedance and Sine Wave / Square Wave selection. This makes it compatible with everything from consumer Hi-Fi to professional studio equipment. Silent Power Foundation: Noise is the enemy of precision. The OCK-2P features a high-performance Talema transformer and a multi-stage LT3042 + PNP linear regulator circuit ($<1\mu V$ noise), ensuring the OCXO operates in a perfectly clean electrical environment. Premium Thermal Management: The heavy CNC aluminum chassis isn't just for shielding; it provides a stable thermal mass to help the internal oven maintain a constant temperature for the crystal, minimizing frequency drift. Technical Specifications: Output Frequency: 10.000000MHz Clock Core: Selected SC-CUT OCXO Output Ports: 3 x BNC (Independent) Waveform Options: Sine Wave / Square Wave (Per port) Impedance Options: 50 $\Omega$ / 75 $\Omega$ (Per port) Frequency Accuracy: $\pm 0.01 ppm$ Phase Noise: $<-115 dBc/Hz$ @ 1Hz offset Power Supply: LT3042 + PNP Ultra-low noise Linear Regulator Technical Specifications/Raw Specs Input Voltage: AC 115V / 230V Switchable Output Level: 7dBm @ 50 $\Omega$ Chassis: Full CNC Machined Aluminum Status Display: High-visibility front-panel LED frequency display Dimensions: 240mm x 175mm x 50mm Weight: 2.6kg OCK-2P is a high-performance external master clock fully upgraded from the acclaimed OCK-2S. Featuring a flagship low-phase-noise OCXO, an independent thermos chamber, an enhanced power supply architecture, and ultra-low additive phase noise clock distribution, OCK-2P significantly improves time-base stability and signal purity. A newly added selectable grounding design further enhances system compatibility and noise management in complex audio setups. 1. Flagship OCXO with Enhanced Close-In Phase Noise Performance OCK-2P employs a carefully selected high-performance OCXO, delivering substantial improvements at critical close-in offsets: –115 dBc @1Hz Offset (Guaranteed) –140 dBc @10Hz Offset (Guaranteed) Lower close-in phase noise contributes directly to improved sonic stability, enhanced micro-dynamic resolution, and more accurate spatial reproduction. 2. Independent Thermos Cabinet for Long-Term Stability An independent thermos cabinet provides a stable and controlled thermal environment for the OCXO, minimizing the influence of ambient temperature fluctuations. An integrated OCXO warm-up status LED clearly indicates when optimal operating conditions have been reached. 3. Enhanced Power Architecture for a Cleaner Foundation OCK-2P features a 30VA toroidal transformer paired with a two-stage linear regulation topology (LM350T + LT3041). This architecture reduces power-supply noise, improves PSRR, and provides a stable, low-noise foundation for both the clock core and distribution circuitry. 4. Ultra-Low Additive Phase Noise Clock Distribution The upgraded clock distribution amplifier is designed with ultra-low additive phase noise, ensuring consistent timing accuracy and signal integrity even when driving multiple outputs simultaneously. 5. Selectable Grounding for System-Level Noise Optimization OCK-2P adds a dedicated grounding terminal with a selectable ground switch, allowing operation in either grounded or floating mode. This flexible grounding design enables system-level fine-tuning and helps minimize potential ground loops and unwanted noise coupling Clock Core: High-performance OCXOPhase Noise:–115 dBc @1Hz Offset (Guaranteed)–140 dBc @10Hz Offset (Guaranteed)Thermal Design: Independent thermos cabinetPower Transformer: 30VA toroidal transformerRegulation Topology: Two-stage linear regulation (LM350T + LT3041)Clock Distribution: Ultra-low additive phase noise amplifierGrounding: Dedicated ground terminal with selectable ground switchIndicators: OCXO warm-up LED, Power LED Designed for high-end digital audio systems requiring precise timing accuracy System optimization results may vary depending on system configuration OCK-2P is the official upgraded model replacing OCK-2S

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FiiO BR13 Hi-Res Bluetooth Receiver & DAC Breathe new life into your audio system. The FiiO BR13 is the ultimate solution for upgrading your traditional wired speakers, amplifiers, or older home theater systems. By adding high-resolution wireless connectivity, the BR13 allows you to stream music from your phone or tablet to your premium speakers with uncompromising quality. It is more than just a receiver; it is a dedicated audio processing center for your home. High-End Wireless Architecture Qualcomm QCC5125 & LDAC Support Wireless doesn't mean low quality. The BR13 is powered by the Qualcomm QCC5125 Bluetooth 5.1 chip, supporting all major high-resolution codecs including LDAC, aptX HD, and aptX Adaptive. This ensures stable, low-latency transmission with sound quality that rivals wired connections. Dedicated ES9018K2M DAC Unlike cheap adapters that use integrated Bluetooth DACs, the BR13 features a dedicated ESS ES9018K2M DAC chip. Coupled with the TPA1882 operational amplifier, it delivers a clean, dynamic analog signal with low noise, ensuring your Hi-Fi system performs at its best. Visual Control & Exclusive Tech High-Contrast VA Display Stop guessing your connection status. The BR13 features a rare-in-class VA display screen. See exactly which codec (e.g., LDAC) is active, the current sampling rate, and EQ settings at a glance. Global Upsampling Technology Experience enhanced clarity. The BR13 features FiiO’s proprietary Global Upsampling technology. It can automatically upsample low-resolution audio signals to 96kHz/24bit, restoring detail and airiness to your music before outputting it to your system. 3-in-1 Versatility The BR13 handles more than just Bluetooth. It supports three distinct modes: Bluetooth Receiver (RX): Stream from phone to speakers. USB DAC: Connect to a computer via USB-C to act as an external sound card. SPDIF Conversion: Connect a TV or CD player via Optical/Coaxial Input, and output to analog speakers (DAC mode) or bypass to digital outputs. Technical Specifications Feature Detailed Specification Bluetooth Chip Qualcomm QCC5125 (Bluetooth 5.1) DAC Chipset ESS ES9018K2M Op-Amp TPA1882 Supported Codecs LDAC, aptX HD, aptX Adaptive, aptX, AAC, SBC Inputs Bluetooth, USB-C, Optical In, Coaxial In Outputs RCA Line-Out, Optical Out, Coaxial Out Display Custom VA Screen Upsampling Up to 96kHz/24bit Power Input USB-C (5V) Why Choose the FiiO BR13? 7 Preset EQs: Choose from Pop, Classical, Jazz, and more, or customize your own parametric EQ (PEQ) via the FiiO Control App. Game Mode: Supports aptX Low Latency (LL) and a dedicated low-latency mode in the app, making it great for gaming setups. Dual-Device Connection: Can connect to two Bluetooth devices simultaneously, allowing you to switch playback between your phone and tablet seamlessly. Aluminum Build: Features a compact, durable aluminum alloy body with an angled front panel for easy viewing on a desktop. Frequently Asked Questions Does the BR13 transmit Bluetooth (TX)? No. The BR13 is a Receiver (RX) only. It receives audio from your phone and plays it through wired speakers. It cannot transmit audio from a TV to Bluetooth headphones (for that, you need the FiiO BTA30 Pro). Can I connect it to my active speakers? Yes. Use the RCA Line-Out ports on the back of the BR13 to connect directly to your active speakers (like FiiO SP3 or Audioengine). Does it need a driver for PC use? For USB DAC mode, it supports UAC 1.0, which is plug-and-play for Windows, Mac, PS5, and Switch. No complex driver installation is required.   Need Multi-Room Audio? If you prefer Wi-Fi streaming over Bluetooth, check out the WiiM Mini Streamer for AirPlay 2 and Spotify Connect support.

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WiiM Vibelink Amp High-Power Stereo Integrated Amplifier Pure Power. Zero Distractions. The WiiM Vibelink Amp is a dedicated high-performance amplifier designed for audiophiles who already own a streamer. Stripping away the wireless modules, it focuses 100% of its resources on audio quality and amplification. With 100W per channel (8Ω) and a pure analog circuit, it is the ultimate power upgrade for your WiiM Ultra or legacy audio sources. Audiophile-Grade Amplification TI TPA3255 with PFFB Technology At its core, the Vibelink Amp utilizes the premium TI TPA3255 Class-D amplifier chip, enhanced with Post-Filter Feedback (PFFB) technology. This load-independent architecture ensures consistent, ultra-low distortion sound regardless of your speaker's impedance, delivering 100W x2 @ 8Ω or a massive 200W x2 @ 4Ω. Pure Analog Path (No ADC) Unlike the standard WiiM Amp which digitizes analog inputs, the Vibelink Amp features a pure analog RCA signal path. Your vinyl turntable or high-end CD player's signal remains analog from input to amplification, preserving the original warmth and texture without unnecessary conversion. Flagship Digital Decoding ESS Sabre ES9039Q2M DAC For digital sources (TVs, Transports), the Vibelink Amp employs the latest generation ESS ES9039Q2M flagship DAC. It supports up to 24-bit/192kHz decoding via its Optical and Coaxial inputs, delivering industry-leading dynamic range (120dB) and transparency. Smart System Integration Built to work in harmony. The Vibelink Amp features a 12V Trigger Input and Auto-Standby. When you turn on your connected WiiM streamer (like the WiiM Ultra), the Vibelink Amp wakes up instantly. When the music stops, it goes to sleep, saving energy without you lifting a finger. Technical Specifications Feature Detailed Specification Amplifier Type Class-D with PFFB (Post-Filter Feedback) Output Power 100W x 2 (8Ω) / 200W x 2 (4Ω) DAC Chipset ESS Sabre ES9039Q2M (Premium Tier) Analog Input RCA Stereo (Pure Analog Path, No ADC) Digital Inputs 1x Optical, 1x Coaxial (Up to 192kHz/24-bit) Subwoofer Out No (Relies on connected streamer/preamp for sub management) Trigger 12V Trigger In (Auto Power On/Off) THD+N 0.0005% (-105 dB) Dimensions 190 x 190 x 63 mm (Stackable with WiiM Amp/Ultra) Network/App None (Pure Integrated Amp) Why Choose the WiiM Vibelink Amp? The "Ultra" Partner: Designed aesthetically and functionally to stack with the WiiM Ultra. Use the Ultra for streaming, HDMI ARC, and Subwoofer control, and let the Vibelink provide the raw muscle. Vinyl Purist Friendly: The only WiiM amp that doesn't convert your record player's sound to digital. It keeps it analog all the way to the speaker terminals. More Power, Less Noise: With 200W @ 4Ω, it drives demanding floor-standing speakers that the standard WiiM Amp (60W) struggles with. Premium Build: Features the same anodized aluminum unibody as the WiiM Ultra, with an upgraded internal copper heat pipe cooling system for silent operation. Frequently Asked Questions Does it have Wi-Fi or Bluetooth? No. The Vibelink Amp is a pure integrated amplifier. It does not stream music on its own. It is designed to be connected to a streamer (like WiiM Ultra, Mini, or Pro Plus) or other audio sources. Can I connect a subwoofer? The Vibelink Amp itself does not have a subwoofer output. However, if you use it with a WiiM Ultra or WiiM Pro Plus, you can connect your subwoofer to the streamer's sub-out, and the Vibelink Amp will handle the main speakers. Is it better than the WiiM Amp Pro? It is different. The WiiM Amp Pro is an "All-in-One" (Streamer + Amp). The Vibelink Amp is just an Amp, but it has more power (100W vs 60W) and a pure analog path. Choose Vibelink if you already have a streamer or need more power. Complete the Flagship Stack: Pair the Vibelink Amp with the WiiM Ultra Streamer for a complete system with touchscreen control and subwoofer management. The Audiophile Value Combo: Connect the WiiM Pro Plus to the Vibelink's RCA inputs to utilize its pure analog signal path

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