Feature●1: Output power: 3.2W at 4Ω, THD is 10%; 8Ω is 1.8W, THD is 10%●2: 12S sampling rate: 8Khz~96Khz●3: Class D amplifier with optional gain: 3dB/6dB/9dB/12dB/15dB●4: No master clock (MCLK) required●5: Plug and Play: 35 different clocks and 128 digital audio formats can be automatically configured with only a single power supplyDescription VCC: Positive power supply, DC 2.5V~5.5V GND: ground SD: Power off and channel selection. SD MODE is pulled low to place the device in shutdown. GAIN: Gain and channel selection. In TDM mode, the gain is fixed at 12dB DIN: digital input signal BCLK: Bit Clock Input LRC: Left/Right clock for 12S and LJ modes. Synchronous clock for TDM mode