MAX9744 Stereo 20W Class D Audio Amplifier

Adafruit Industries | A-000000-04822

A dual-channel 20W stereo speaker for adding a new audio dimension to your electronic project.

€24.90
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MAX9744 audio amplifier: two 20W channels

This small class D audio amplifier is both very easy to use and extremely efficient. It can drive 2 channels of 4 to 8 ohms and operates with a typical efficiency of between 88 and 93%. Its class D rating also does away with the need for a heat sink.

MAX9744 speaker: an analogue or stereo sound

The MAX9744 module gives you access to two types of volume control:

  • The 1 kΩ potentiometer included with the board allows analogue volume control
  • And for even more precise sound management, you can connect to a microcontroller!

Technical specifications of the MAX9744 amplifier module

  • Voltage: 4.5-14V DC
  • Typical efficiency: 88-93%
  • Quiescent current: 20 mA
  • Max. gain: up to 29.5 dB
  • Stereo output: 20W (4Ω, VDD = 12V, THD+N = 10%)
  • Integrated click-and-pop suppression
  • Short-circuit and thermal-overload protection
  • Dimensions: 54 x 41 x 2 mm
  • Weight: 11 g

Resources for the Adafruit audio amplifier

Follow this single link to find out exactly what your MAX9744 loudspeaker is capable of (user manual, connections and tutorials!).

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