Description Stereo 20W Class D Audio Amplifier - MAX9744

Turn up the volume with the Stereo 20W Class D Audio Amplifier - MAX9744. This compact board is equipped with a class D amplifier. It can drive 2 channels of 4-8 ohm speakers with 20W of power each. The board can be powered with 5-12VDC via the DC power jack. To easily enjoy music, connect stereo line level to the 3.5mm stereo headphone jack. Thanks to the class D technology, this amplifier runs cool. No heat sinks are required and the efficiency is high, up to 93%. This makes it ideal for portable or battery powered systems.

The heart of this board is the MAX9744 amplifier. It is known for its ease of use. But also for the possibility of both analog and digital volume control. Adjust the volume with a single 1KΩ potentiometer (included) for analog adjustments. Or connect it to a microcontroller and send I2C commands for 64 volume levels.