4PCS MAX98357 I2S Audio Amplifier Module MAX98357A 3W Audio Amp Breakout Board Class D for Raspberry Pi ESP32

Feature: Output Power: 3.2W at 4Ω, THD is 10%. 1.8W at 8Ω, THD is 10% I2S Sampling Rate: 8KHz to 96KHz Class D Gain Optional: 3dB/6dB/9dB/12dB/15dB No Master Clock (MCLK) Required Plug and Play: Only a single power supply, it can automatically configure 35 different clocks and 128 digital audio formats Suitable for microcontrollers or development board systems with I2S audio output such as Raspberry Pi, for Arduino, and ESP32 Pin Description: VCC: Power supply positive, DC 2.5V-5.5V GND: Power ground SD: Shutdown and channel selection. Pull SD_MODE low to place the device in shutdown state GAIN: Gain and channel selection. Gain is fixed at 12DB in TDM mode DIN: Digital input signal BCLK: Bit clock input LRC: Left / Right clock for I2S and LJ modes. Synchronization clock for TDM mode Package Included : 4 x MAX98357 I2S Audio Amplifier Module

• Module size is 19.1*17.7mm, weight is 3g, color is purple. Voltage is DC 2.5-5.5V
• Output Power: 3.2W at 4Ω, THD is 10%. 1.8W at 8Ω, THD is 10%. I2S Sampling Rate: 8KHz to 96KHz
• Class D Gain Optional: 3dB/6dB/9dB/12dB/15dB. No Master Clock (MCLK) Required
• Plug and Play: Only a single power supply, it can automatically configure 35 different clocks and 128 digital audio formats
• Compatible Devices: microcontrollers or development board systems with I2S audio output such as Raspberry Pi, for Arduino, and ESP32