Description:  It is a Audio Decoder Module for Raspberry Pi.It support for high quality voice Playing and recording. It can directly drive speakers to play music and also can used for DIY smart sound.     Feature:  1. Onboard 40Pin for Raspberry Pi.  2. Support for Raspberry Pi Zero/Zero W/2B/3B/3B+/4.  3. WM8960 Low power stereo output.  4. I2S audio output.  5. Support stereo output.  6. Support 3D surround audio output.  7. Support 2bit MEMS micorphone.  8. Programmable 3bit APA-102-2020 RGB LED.     Specification:  Work voltage: DC 5V.  TTL control level: DC 3.3V.  3.5mm aduio output: 40mW(output for hearset).  Output channel: 2-Channel.  Output power: 2*1W.  Audio interface: I2S.  Control interface: I2C.  DAC signal to noise ratio: 98DB.  ADC signal to noise ratio: 94DB.  Work temperature: -25°C~85°C.  Work humidity: 5%~95%RH.  Size: 65*30*20mm.     Package includes:  1 x Audio Decoder Module Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store