Low value digital 3W + 3W stereo amplifier board, sound comparable with PAM8610. Low noise, you can take 4 ohm speakers 3W + 3W output power at 5V supply. Computer speakers and DIY
Value selection Home Active speaker.
The entire board in the following figure, the size is 2.4CM X 2.3CM. 3W digital amplifier does not work long-term fever. No need for additional heat sink.
2.5-5V input voltage, you can access two No. 5 AA batteries, or lithium batteries can also be connected to a computer USB5V power. But best not to exceed 5V DC
Left and right channel speaker + red wire pole, the middle red line negative power.
NOTE: The left and right speakers can not be connected together or black negative power supply line and a black cathode connected together. This is a digital amplifier. Product excluding default input and output and power lines. The following wiring diagram only wiring instructions. Mute point is the output of the amplifier control board. May be connected between the ground and the power switch or a control panel with a low level can be written so that no output amplifier.
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