Adafruit Stereo 20W Class D Audio Amplifier - MAX9744 Thermal Printing

Adafruit Stereo 20W Class D Audio Amplifier - MAX9744 Thermal PrintingPump up the volume with this 20W stereo amplifier! This slim little board has a class D amplifier onboard that can drive 2 channels of 4 8 ohm impedance speakers at 20W each. Power it with 5 12VDC using the onboard DC power jack and plug stereo line level into the 3. 5mm stereo headphone jack and jam out with ease. Since it's class D, its completely cool running, no heat sinks are required and it's extremely efficient up to 93% efficiency makes it

(with support for larger Lipo Battery of 5000 or 10

we don't exactly know why this was included but it works really well)

which tightens the low end response of some subwoofer systems

ATmega32u4 Processor

Here are some of the differences:

It uses the I2S sound port that connects directly to the CPU without the need for an additional USB conversion

If you'd like to back up the RTC for faster fix-recovery

32x32 or 32x64 RGB LED Matrices with HUB75 connections

which converts USB to serial

This is less than most surfaces contracting naturally from humidity and changes in the weather

Accepts a variety of wrie sizes(AWG:20-29)

arranged as 8 strips of 64 each