Adafruit Stereo 20W Class D Audio Amplifier - Max9744

This 20W Stereo Amplifier Is A Slim 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 Its Class D, Its Completely Cool-Running, No Heat Sinks Are Required And Its Extremely Efficient - Up To 93% Efficiency Makes It Great For Portable Or Battery Powered Rigs.The Max9744 Amplifier Is Very Easy To Use And Has Both Analog And Digital Volume Control Capability. Use A Single 1Ko Pot (Included) To Adjust Volume Analog-Style Or Hook It Up To A Microcontroller And Send I2C Commands To Set 64-Steps Of Volume Amplification.The Max9744 Has Been Mounted Into A Breakout, With Polarity-Protection, Jacks And Terminal Blocks, I2C Level Shifting, And A Spot To Solder In A Volume Potentiometer. Each Order Comes With One Max9744 Breakout Board With All Surface-Mount Parts Fully Assembled And Tested, 3 X 2Pin And 1 X 3Pin Terminal Blocks, A 470Uf Power Filter Capacitor And 1Ko Trim Potentiometer.Note: To Use This Board, A Little Soldering Is Required To Attach The Terminal Blocks And Other Components, But Its Fairly Easy And Expect It Should Take Less Than 15 Minutes.