MAX98357 I2S 3W Class D Amplifier Breakout Interface Dac Decoder Module Filterless Audio Board Big/Small Chip For Raspberry Pi Features: 1.Made of high-quality materials, durable and practical 2.In order to achieve excellent sound quality, the device adopts digital inputs with high noise resistance and high jitter tolerance (at least 8dB better than ordinary solutions) 3.Stable performance, capable of achieving 3.2W Class AB amplifier sound quality with Class D amplifier efficiency 4.The product also provides excellent electromagnetic interference (EMI) suppression, allowing the use of long wires to connect speakers without the need for external filtering 5.Excellent high fidelity sound effect, suitable for various product applications Parameters: 01 Output power: 3.2W at 4 Ω, THD at 10% 1.8W at 8 Ω, THD at 10% I2S sampling rate: 8Khz~96Khz D-class amplifier gain options: 3dB/6dB/9dB/12dB/15dB No need for master clock (MCLK) Plug and Play: With just a single power supply, you can automatically configure 35 different clocks and 128 digital audio formats Suitable for tools such as Raspberry Pi, Arduino, and ESP32, with a microcontroller or development board system with I2S audio output Pin Description: VCC: Positive pole of power supply, DC 2.5V~5.5V GND: Grounding SD: Shutdown and channel selection. SD_ Pull down the MODE to place the device in the off state 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 UJ modes. Synchronous clock for TDM mode Package include: 1 x MAX98357 I2S 3W Class D Amplifier Breakout Interface Dac Decoder Module Filterless Audio Board Big/Small Chip For Raspberry Pi _x000D_