Specification:
Item Type: Expansion Board
Material: PCB
Power Supply: 6-26V DC, recommended 3A
Use GPIO: LRCK-IO19, BCK-IO18, DATA-IO21, IR-IO26, AMP mute-IO22
RCA Analog Audio Output Level: 2V RMS
Amplifier Maximum Output Power: 230W (4 line load at 24VDC)
Resolution/sampling Rate: Up to 24bit/192KHz (for Raspberry Pi I2S)
Scope of Application: For Raspberry Pi 1 Model B+/ 2 Model B / 3 Model B / 3 Model B+ / 4 Model B
Features:
1Full HD audioup to 24bit/192kHz playback, using ESS technology Sabre advanced stereo DAC ES9023. 2Provide jitter-free audio with 112dB DNR audio quality, built-in high-quality Class D stereo audio amplifier. 3Under 24VDC conditions, up to 2 x 30W input and 8OBTL load, it can drive 4 speakers, also suitable for high impedance speakers. 4Use the original ALPS RK163 series potentiometer for smoothly volume adjustment. 5Onboard pluggable speaker screw terminal, XH2.54 connector, provide 5V output for other devices. 6Use digital I2S audio signals to reduce the CPU load of USB audio solutions. 7Noise can be improved by enabling GPIO control, and AMP can be enabled/disabled by jumper connection.
Package List:
1 x Expansion Board
1 x Connection Terminal
1 x Screw Package M2.5 x 6mm
4 x Standoff M2.5 x 20mm
1 x User Manual
