Features 1.CLASS D: The TPA3255 is a high performance Class D power amplifier that delivers Class D efficiency and high end sound quality. Advanced integrated feedback design and proprietary high speed gate driver error correction. 2.AD MODE: Operating in AD mode, the TPA3255 can drive up to two 315W/4R loads and two 150W (unclipped power)/8R loads at 10% THD, and features a 2VRMS analog input to support seamless connectivity with high performance DACs such as TI's PCM5242. 3.2 TPA3255: Power amplifier board using the TPA3255x2, the main filter electrolytic capacitors using a total capacity of 470UFx8, using PBTL bridge, 4 load can output a maximum power of 600W 600W. 4.CLEAR SOUND: The output adopts red and gray rings high current sounds inductor to ensure clear and powerful sound. High accuracy chip resistors to ensure a good signal to noise ratio. 5.DOUBLE SIDED BOARD: PCB adopts 1.6mm thick double sided board, copper thickness of 2.0 OZ, full spray tin process, to ensure the size of a good current through the performance. Recommended power supply voltage DC36V or DC48V 10A or more specificationItem Type: TPA3255 Power Amplifier Board Material: PCB, Metal Chip: TPA3255x2 Working Mode: D Class Static Current: 65mA Working Efficiency: 90% of the Rated Power: 600W, 600W Frequency Response: 20Hz-20KHz Operating voltage: DC24V-48V Recommended Supply Voltage: DC36V or DC48V 10A or more PackageList 1 x TPA3255 Power Amplifier Board 1 x Connection Cable