This Raspberry Pi X400 Multifunctional Expansion Board Raspberry Pi 3 Model B (Plus)/3B Music Player has been updated to the latest V3.0 Version on November 23rd. The X400 audio expansion board has been redesigned by accepting many customer feedback from all over the world. Now it has much better performance than the previous X400 V2.0 version. It is available to use an extra power switch to control the X400 V3.0 music player and Raspberry Pi board via the PH2.0 4PIN PWR SW port, but please remember to remove the PWR jumper when connect the external power switch to control power. 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 an 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 an external lighted power switch to control power Onboard gold-plated high-current DC power jack (5.5×2.5mm)
