Raspberry Pi X400 I2S Audio Expansion Board Sound Card, DAC Module for Raspberry Pi 4 Model B/3B+/ 3B / Pi 2B / B+

Note: the raspberry pi is not included in the packing list. Power supply specification: Input Voltage: 100-240V AC, Output Voltage: 12V DC, 2A, DC Jack:5.5x2.5mm, Frequency: 50/ 60Hz The X400 DAC has been update to be compatible with the newest Raspberry Pi 4 Model B, and now it is suitable for Raspberry Pi 4B, for the Raspberry Pi 4 use X400 metal case, please refer toRaspberry Pi 4 use X400 metal case. WIKI：raspberrypiwiki.com/index.php/X400_V3.0 Raspberry Pi X400 I2S Audio Expansion Board Sound Card, DAC Module for Raspberry Pi 4 Model B+/3B+/ 3B / Pi 2B / B+ Packing List:(Not including the raspberry pi board；Bundle3 Metal case does not support Raspberry Pi 4 Model B) Bundle 1: 1 x X400 Audio Expansion Board 1 x Installation Screws Pack Bundle 2: Bundle 1+ Acrylic Case (1 top case+1 button case+screws pack) Features: 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 WARNING: DO NOT APPLY POWER TO YOUR RASPBERRY PI VIA THE PI's MICRO USB SOCKET. Please remove the PWR jumper when connect the external power switch to control power. Specification: 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 What do you need to use Raspberry Pi X400 V3.0 Audio Expansion Board? A Raspberry Pi board Power supply: 6-26V DC，2A-3A recommended (We have 12V 2A power supply recommand) A X400 use matching case (optional)