MAX9744 Stereo Class-D Audio Amplifier 20W - Adafruit 1752 thumb You can also install this

You can also install this screw terminal easily in an electrical connection

or quality control processes

Adjustable Threshold: Adjustable Threshold

It communicates with the Arduino using the I2C interface

Address codes: floating

MAX9744 Stereo Class-D Audio Amplifier 20W - Adafruit 1752 thumb You can also install thisPremium Stereo 20W Class D Amplifier MAX9744 The Adafruit Stereo 20W Class D Audio Amplifier (MAX9744) is a high quality stereo amplifier that outputs 220W with exceptionally low noise and distortion. Volume control via I2C makes it easy to integrate with microcontrollers. It's Adafruit's top pick for powered speaker builds that need clean, loud audio. Technical specifications Chip MAX9744 (Maxim) Output Power 220W (4) Channels 2 (stereo) Volume