Ardess Tiny DC - 2-Channel 3W*2

Super Mini 5V Digital Amplifier Board 3W*2 USB Powered Volume Control Specifications: Mini Power Amplifier Board Operating voltage: DC 5V Maximum output power: 3W*2(5V 4ohms) The Diameter of the shaft: about 6MM PCB size :Length 29mm, Width 20mm, overall height after installed is about 16mm. Features: . Simple and straight forward installation. . Flexible assembly usage.A good amp for movies in bed . The amplifier board is easy to work with and the pad spacing is standard for headers. It is a well done board, simple and effective. . Can be powered by 5V USB-style power, 5V USB cell phone charger, or lithium battery power too. . Built-in noise canceling circuit, short circuit current protection and over-temperature protection. . High efficiency of 90%, 4O load and 5V power supply conditions, can provide 3W ( left channel ) +3 W ( right channel ) output power. . The input signals (left + right) are controlled by a potentiometer so that controls the volume. The potentiometer is also with a switch that can be used as a on/off switch to turn on/off power supply. Usage * Suitable for battery or portable electronics products,such as portable speakers,headphones, headset system,arcade machine * Suitable for long time steady usage. * Arduino& Raspberry Pi& RetroPie cabinet&Raspberry Pi Zero Mopidy Note: Please make sure the power supply is not more than 5.5V and please don't do reverse polarity for "+" and "-", or else, it will burn the board. Do not connect to power if DON'T have a speaker connected Don't hot plug it Package included: 1 x Mini 5V power Audio Amplifier Module Board If you have any Technique Problem, please send us email. We have engineers to deal with for you!