Item Type: Expansion BoardMaterial: PCBPower Supply: 6-26V DC, recommended ≥3AUse GPIO: LRCK-IO19, BCK-IO18, DATA-IO21, IR-IO26, AMP mute-IO22RCA Analog Audio Output Level: 2V RMSAmplifier Maximum Output Power: 2×30W (4Ω 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
Onboard pluggable speaker screw terminal, XH2.54 connector, provide 5V output for other devices.
Under 24VDC conditions, up to 2 x 30W input and 8‑OBTL load, it can drive 4Ω speakers, also suitable for high impedance speakers.
Use the original ALPS RK163 series potentiometer for smoothly volume adjustment.
Full HD audio‑up to 24‑bit/192kHz playback, using ESS technology Sabre advanced stereo DAC ES9023.
Provide jitter-free audio with 112dB DNR audio quality, built-in high-quality Class D stereo audio amplifier.
