Description Based on ESS ES9023 IC, output I2S DAC audio, process capability up to 192KHz/24bit. Dynamic range signal-to-noise ratio (SNR) up to 112dB Equipped with low noise active crystal Infrared receiver (38KHz) Reduce CPU load with I2S audio interface RCA socket and 3.5mm headphone jack Easy and easy to install on the Raspberry Pi motherboard without cumbersome wiring Connect to other I2S devices for high-end audio decoding with just 3 wires Raspberry Pi motherboard is powered directly, no additional power adapter required The Raspberry Pi GPIO pin header is reserved on the board and can be installed as needed for other functions. On board 3.96mm connector&socket for 5V DC power in. Tested on Volumio, simply choose hardware HIFIberry DAC, volume control please use software. More use guide see here.
