Chipset: MAX98357A
Amplifier Type: Class-D Mono Audio Amplifier with DAC
Output Power: Up to 3W (4Ω speaker at 5V)
Input Interface: I2S Digital Audio
Operating Voltage: 2.5V – 5.5V DC
Output Type: Mono speaker output
DAC Resolution: 24-bit digital audio support
Efficiency: High efficiency Class-D (~90%)
Gain Options: Configurable via pins (default ~9dB)
Applications: Raspberry Pi audio, ESP32 projects, DIY speakers