Features: 1.Designed for RasPi: This HiFi sound card is specially designed for RasPi series motherboard, for VisionFive2. 2.WM8960 Chip: This audio HAT module for RasPi adopts WM8960 chip, controls via I2C interface and communicates via I2S interface. 3.Onboard 3.5mm Jack: This WM8960 HiFi sound card has onboard standard 3.5mm earphone jack, play music via external earphone. 4.Speaker Interface: This audio HAT card has onboard dual channel speaker interface, which can directly drive speakers. 5.Recording Supported: This audio HAT expansion board supports stereo, 3D surrounding sound output, MEMS silicon microphone, support stereo recording, left and right channel recording. specification:Item Type: HiFi Sound Card Material: Printed Circuit Board Supply Voltage: 5V Logical Voltage: 3.3V Audio Codec Chip: WM8960 Control Interface: I2C Audio Interface: I2S DAC Signal to Noise Ratio: 98dB ADC Signal to Noise Ratio: 94dB Earphone Driver: 40mW (16 At 3.3V) Speaker Driver: 1W Per Channel (8 BTL) PackageList:1 x HiFiSoundCard 3 x Screw 2 x Stud 3 x Nut 2 x Speaker NoteLP and LN correspond to the positive and negative poles of the left speaker respectively. RP and RN correspond to the positive and negative poles of the right speaker respectively.