Raspberry Pi 4 Computer Model B Hifi Dac+amp Expansion Board, X450 Audio Sound
Item Specification :
Power supply: 6-26Vdc，≥3A recommended
GPIO used : LRCK - IO19, BCK - IO18, DATA - IO21, IR - IO26, AMP mute - IO22
Analog audio input level via onboard headphone jack : 2V RMS
Amplifier max output power: 2×100W at 4Ω BTL Load at 21Vdc
Resolution/Sampling Rate: upto 24bit / 192KHz (Raspberry Pi I2S)
PCB size 87 x 56mm
Packing List:
1 x X450 DAC+AMP Expansion Board
1 x Installation screw pack