5 Pcs Digital Power Amplifier Board,2X3W Type D PAM8403 Audi

PAM8403 mini type:2.3 x 1.8cm/0.9 x 0.7in,can be easily put in small space of many digital ,high amplification efficiency
It can be powered by computer USB 5V, or phone charger 5V, or lithium battery.
High efficiency 90%, can 3W (left channel)+3W (right channel) when using 4ohm load and 5V power supply.
Type D power amplifier has high amplification efficiency, sound quality will not be effected by temperature rise, no need of heat sink.
-in noise reduction circuit, no noise when power on/off, supports short circuit, over current and over temperature protection. Specifications:
Working Voltage: 2.5V-5.5V DC (should no over 5.5V, pay attention to polarity)
Suitable Speaker: 4-8ohm (4ohm is recommended); speaker power 2-8W
Colour:green
Material:PCB Package Contents:
5 * Power Amplifier Only the above package content, other are not included.
Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.

Key Features

Durable and good quality
Power Amplifier
Digital Power Amplifier Board
Amplifier
Stereo Amplifier
Amplifier Hifi
The details are as described above

What's In the Box

5 * Power Amplifier