1. For Raspberry Pi 40PIN GPIO interface, suitable for Raspberry Pi series motherboards
2. Adopts PCM5122 professional stereo audio codec chip, controlled by I2C interface, audio transmission via I2S interface
3. Built-in standard 3.5mm headphone connector, can play music through external headphones
4. Built-in RCA port, can be applied to a variety of working scenarios, such as speakers and amplifiers
5. Built-in EEPROM firmware, for Raspberry Pi OS automatically load the driver
6. Maximum support for sampling frequency 384KHz
7. Maximum support for 32-bit resolution
8. Size: about 6.5 x 3cm