This Raspberry Pi X400 V3.0 DAC+ AMP Full-HD Class-D Amplifier I2S PCM5122 Audio Expansion Board Raspberry Pi 3 Model B+(Plus)/3B Music Player has been update to the latest V3.0 Version at the end of November. The X400 audio expansion board has been redesigned by accept many customer feeback from all over the world.Now it has much better performance.
It is avaible to use an extra power switch to control the X400 V3.0 music palyer and Raspberry Pi board via the PH2.0 4PIN PWR SW port, but please remember to remove PWR jumper when connect the external power switch to control power.
What do you need to use Raspberry Pi X400 V3.0 Audio AMP Expansion Board?
1. A Raspberry Pi board (Pi 4B, 3B+, 3B, 2B, B+)
2. Power supply: 6-26V DC，2A-3A recommended
3. A X400 V3.0 Use Case (There are two types of X400 cases. X400-C3 is for Pi 3B+/3B&X400, X400-C4 is for Pi 4B&X400))
WIKI for reference: https://wiki.geekworm.com/X400_V3.0
- Full-HD audio – up to 24-bit/192kHz playback
- Audiophile TI Burr Brown 32-bit/384kHz DAC (TI PCM5122)
- Class leading audio; 112db SNR, and THD of 0.0019%
- Built in High quality Class-D stereo audio amplifier (TI TPA3118D2)
- Up to 2×30W Into a 8-Ω BTL Load at 24Vdc
- Capable of driving 4 Ohm speakers (also works with higher impedance speakers)
- Built in high quality audio headphone amplifier (TI TPA6133A)
- Uses the Texas Instruments ultra-low-noise voltage regulator (output noise< 10μVRMS)
- Uses the Texas Instruments high efficiency step-Down DC converter (up to 95%)
- 6V~26Vdc converted to 5.1V, 3A to power the Raspberry Pi
- Uses the genuine ALPS RK163 series potentiometer for smooth volume adjustment
- Built in high quality IR sensor (Vishay -the world's leading supplier of infrared receivers)
- Onboard RCA connectors
- Onboard 3.5mm stereo headphone jack
- Onboard speaker & power screw terminals
- Onboard 4pin PH2.0 connector allowing to connect a external lighted power switch to control power
- Onboard gold-plated high-current DC power jack (5.5x2.5mm)
- Uses the digital I2S audio signals to reduce CPU load over USB audio solutions
- Connects directly to the Raspberry Pi - No wiring required
- Powers the Raspberry Pi - no additional power supply
- Reserved Raspberry Pi GPIO pin header (2x13Pins)
- Pop-noise can be improved by enabling GPIO control
- AMP can be enabled / disabled with jumper link
DO NOT APPLY POWER TO YOUR RASPBERRY PI VIA THE PI's MICRO USB SOCKET.
For Use With:
- Raspberry Pi 4 Model B
- Raspberry Pi 3 Model A+
- Raspberry Pi 3 Model B+ Plus
- Raspberry Pi 3 Model B
Raspberry Pi 2 Model B
Raspberry Pi 1 Model B+
- Moode Audio Player
- Raspbian Jessie
- Pi Core Player
- 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)
Packing List (The Raspberry Pi board is not included in the packing list):
X400 Board Only:
- 1 x X400 V3.0 Expansion Board
- 1 x Installation screw pack
X400 Case for Pi 4 & X400:(Out of stock)
- 1 x X400-C4 enclosure for X400 & Raspberry Pi 4
- 1 x Embedded Heatsink
- 1 x Cooling Fan
- 1 x potentiometer Knob
- 1 x Mounting screw package
- 4 x Rubber mats
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