Features: l Standard Raspberry Pi Pico header, supports Raspberry Pi Pico series l Standard 3.5mm audio jack, for connecting external headphone l Dual channels speaker headers, for direct driving speakers l 8~384000Hz audio sampling rate l Stereo sound effect output l Using 3-wire I2S, effectively reducing EMI l Comes with development resources and manual (Raspberry Pi Pico audio play code, sound card code) Specification: l Applicable Model: for Raspberry Pi Pico series l Operating Voltage: 5V l Logic Level: 3.3V l Audio Decoder: PCM5101A l Audio Bus: I2S l DAC SNR: 106 dB l Speaker Driving: 2.6W/channel (4Ω BTL) Package Includes: l 1x Audio Expansion Board