[Overview]
- This is the new released DAC+AMP Expansion Board, it can use with Raspberry Pi 4 Model B / 3 Model B+ Plus / 3B / 2B / B+
[Power Supply Recommend]
- For the Power Supply, please refer to: DC 12V, 3A Power Supply
[WiKi for Reference]
[Features]
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| Item | Description | |
| Compatible with | Raspberry Pi 1 Model B+/ 2 Model B / 3 Model B / 3 Model B+ |
|
| Operating System | Moode Audio Player OSMC Openelec Raspbian Jessie Volumio Pi Core Player |
|
| Key Features | Full-HD audio – up to 24-bit/192kHz playback Audiophile ESS Technology Sabre premier stereo DAC ES9023 ES9023 delivers jitter-free studio quality audio with 112dB DNR Built in High quality Class-D stereo audio amplifiers (TI TPA3116D2 x2) Up to 2×100W Into a 4-Ω BTL Load at 21Vdc Capable of driving 4 Ohm speakers (also works with higher impedance speakers) 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 3.5mm stereo headphone jack allowing audio input form other audio devices Onboard pluggable speaker & power screw terminals Onboard PH2.0 connector allowing to connect a lighted power switch Onboard XH2.54 connector providing 5V output to power other devices Onboard gold-plated high-current DC power jack (5.5×2.5mm) 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 Heat-sink attached to amplifiers for perfect heat dissipation |
|
| Specification | Power supply: 6-26Vdc，≥3A recommended GPIO used : LRCK – IO19, BCK – IO18, DATA – IO21, IR – IO26, AMP mute – IO22 Analog audio input level via onboard headphone jack : 2V RMS Amplifier max output power: 2×100W at 4Ω BTL Load at 21Vdc Resolution/Sampling Rate: upto 24bit / 192KHz (Raspberry Pi I2S) PCB size 87 x 56mm |
|
| Note | WARNING: Do not apply power to your Raspberry Pi via the PI’s Micro USB socket. |
|
[Packing List]
- 1 x X450 DAC+AMP Expansion Board
- 1 x Installation screw pack
