Stereo 50W Output Power Per Channel into a 4Ohm load with DC24V Power Supply. Supporting 3-wire I2S Input, No MCLK Required for Less Radiation. High Performance DAC with Analog Preamp Output. Suitable for Most Audio Projects as Home Audio, Desktop Audio, Audio DIY. Thermal Design for Handling High Peaks and Maintaining Safe Power Limits. Wide Power Supply Range as DC 10-24V PH-4Pos Terminal for Easy Connection with for WONDOM BCPB Battery Boards, High Portability Standby Control Ports for External Volume Control. Full Protection Circuits as Overcurrent, Overvoltage, Overtemperature, Short Circuit, Reverse Polarity Protection. High Reliability and Stability with Sufficient Heat Dissipation. this fully digital mid-power stereo audio amplifier, DIPO2, powered by high-performance Texas Instruments TAS5768 I2S AMP IC, capable of delivering 50W per channel into a 4Ohm load. With its meticulous PCB layout and digital input, this I2S amplifier board is less susceptible to interferences, boasting high sound quality with low distortion and low noise level. DIPO2 supports 3-wire I2S input, suitable for connecting with for Raspberry Pi in DIY applications. Compact size, easy installation and mid power output makes this audio amplifier board suitable for most audio projects like home audio, audio DIY and desktop audio applications. Besides power stage output, the AA-AB32257 offers analog signal output, allowing it to work as a high-performance I2S to Analog DAC. A DC10V - 24V power supply is required. Color: black Material: ABS Package Contents: 1 x DIPO2 - 2 X 50W Amplifier Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.