Onboard for Pico interface, suitable for Pico series motherboards Onboard standard 3.5mm headphone jack, can play audio through external headphones Onboard dual-channel speaker interface, can directly drive speakers Support 8-384000Hz audio sampling rate Support stereo sound output. Adopt 3-wire I2S, effectively reduce EMI The audio module based on Pico design adopts PCM5101A low-power stereo decoder, 12S interface to transmit audio, supports a wide range of audio sampling frequencies, and can output headphones and speakers at the same time. Working voltage: 5V Logic voltage: 3.3V Audio decoding chip: PCM5101A Audio interface: I2S DAC : 106dB Speaker Driver: 26W/channel(4 ohm BTL) Accessory Type: Development Board Compatible With: For Pico Type:Expansion Board Type: Pico Audio Expansion Board Module color:Blue Material:PCB+ABS size:52 x 21MM Package Contents: 1 x Expansion board 2 x Speaker Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.