Raspberry Pi X400 V3.0 DAC+ AMP Full-HD Class-D Amplifier I2S PCM5122 Audio Expansion Board Raspberry Pi 3 Model B+(Plus)/3B Mus


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Overview and Specifications:

This is a redesigned X400 audio expansion board. We have adopted a lot of customer feedback on the previous version. We have made many improvements based on the previous version. I believe you will like it.

– 1Full-HD audio – up to 24-bit/192kHz playback
– 1Audiophile TI Burr Brown 32-bit/384kHz DAC (TI PCM5122)
– 1Class leading audio; 112db SNR, and THD of 0.0019%
– 1Built in High quality Class-D stereo audio amplifier (TI TPA3118D2)
– 1Up to 2×30W Into a 8-Ω BTL Load at 24Vdc
– 1Capable of driving 4 Ohm speakers (also works with higher impedance speakers)
– 1Built in high quality audio headphone amplifier (TI TPA6133A)
– 1Uses the Texas Instruments ultra-low-noise voltage regulator (output noise< 10μVRMS)
– 1Uses the Texas Instruments high efficiency step-Down DC converter (up to 95%)
– 16V~26Vdc converted to 5.1V, 3A to power the Raspberry Pi
– 1Uses the genuine ALPS RK163 series potentiometer for smooth volume adjustment
– 1Built in high quality IR sensor (Vishay -the world's leading supplier of infrared receivers)
– 1Onboard RCA connectors
– 1Onboard 3.5mm stereo headphone jack
– 1Onboard speaker & power screw terminals
– 1Onboard 4pin PH2.0 connector allowing to connect a external lighted power switch to control power
– 1Onboard gold-plated high-current DC power jack (5.5×2.5mm)
– 1Uses the digital I2S audio signals to reduce CPU load over USB audio solutions
– 1Connects directly to the Raspberry Pi – No wiring required
– 1Powers the Raspberry Pi – no additional power supply
– 1Reserved Raspberry Pi GPIO pin header (2x13Pins)
– 1Pop-noise can be improved by enabling GPIO control
– 1AMP can be enabled / disabled with jumper link


– Power supply: 6-26Vdc,( >=3A is recommend)
– GPIO used : LRCK – IO19, BCK – IO18, DATA – IO21, IR – IO26, AMP mute – IO22
– Analog audio output level: 2V RMS
– Headphone max output power: 142mW at 16Ω
– Amplifier max output power: 2×30W at 8Ω BTL Load at 24Vdc
– Resolution/Sampling Rate: upto 24bit / 192KHz (Raspberry Pi I2S)
– PCB size 87 x 56mm

[Power Supply Require]
DC 6-26V,( >=3A is recommend); Please refer to SKU:534268/534269

[User Manual]
Please refer to [Download Link]