Experience superior audio performance with this HIFI Digital Power Amplifier Board, powered by the advanced TPA3255 chip. Designed for high efficiency and exceptional sound quality, this amplifier board delivers powerful output with ultra-low distortion, making it ideal for audiophiles and professional audio applications. Key Features: · High-Performance TPA3255 Chip: Utilizes a class D amplifier chip known for delivering high-end sound quality with outstanding efficiency. · Integrated Feedback and Error Correction: Features advanced integrated feedback design and proprietary high-speed gate driver error correction (PurePath™ Ultra HD) to ensure pristine audio fidelity. · Ultra-Low Distortion Sound: Maintains distortion as low as 1% across the entire frequency band (20Hz to 20KHz), providing clear and accurate sound reproduction. · Robust Loading Capacity: Supports driving up to two 315W 4Ω loads and two 150W 8Ω loads at 1.5% total harmonic distortion (THD), offering versatile power output options. · Analog Input Interface: Equipped with a 2 VRMS 3.5mm stereo wired socket (3P), enabling seamless connection with high-performance DACs for enhanced audio input compatibility. · High Efficiency and Low Power Loss: Achieves over 90% efficiency with ultra-low idle power consumption (less than 2.5W), thanks to an 85mΩ MOSFET and optimized gate driver design. · Compact and Durable Design: Constructed on a high-quality PCB measuring approximately 110x70x30mm (4.3x2.8x1.2 inches), ensuring reliable operation and easy integration into audio systems. Specifications: · Material: PCB · Size: Approx. 110x70x30mm / 4.3x2.8x1.2in · Power Amplifier IC: TPA3255 Chip · Input Mode: 3.5mm Stereo Wired Socket (3P) · Work Efficiency: > 90% · Output Power: 315W at 4Ω (1.5% distortion), 185W at 8Ω (1.5% distortion), 260W at 4Ω (1% distortion), 150W at 8Ω (1% distortion) · Frequency Response: 20Hz to 20KHz · Power Supply: DC 19V to DC 48V (Recommended current: 5A) Package Includes: · 1 x HIFI Digital Power Amplifier Board This HIFI Digital Power Amplifier Board combines high power output, exceptional sound clarity, and energy-efficient design, making it an excellent choice for upgrading your audio system or building custom sound projects.