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S$3.37
5 Pcs Digital Power Amplifier Board,2X3W Type D PAM8403 Audio Module DC 5V Digital Audio Amplifier Board Module
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From S$1.49
Est. delivery by May 3 - May 11
WUXIAJUE
1,410 items
Product description
PAM8403 mini type:2.3 x 1.8cm/0.9 x 0.7in,can be easily put in small space of many digital products,high amplification efficiency
It can be powered by computer USB 5V, or phone charger 5V, or lithium battery.
High efficiency 90%, can provide 3W (left channel)+3W (right channel) when using 4ohm load and 5V power supply.
Type D power amplifier has very high amplification efficiency, sound quality will not be effected by temperature rise, no need of heat sink.
Build-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 products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
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