20 Pcs PAM8403 Digital Audio Amplifier Board - 2x3W Class D Power Amp Module with 5V DC Input for DIY Speakers, Home Theater & Car Audio Systems
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Estimated Delivery:7-15 days international
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SKU:96885447
Product Description
Xptieeck :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 2-8WColour:greenMaterial:PCBPackage Contents:20 AmplifierOnly the above package content, other products are not included.Note: Light reflection 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.
Product Features
Type D power amplifier has very high amplification efficiency, sound quality will not be effected by temperature rise, no need of heat sink.
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.
PAM8403 mini type2.3 x 1.8cm/0.9 x 0.7in,can be easily put in small space of many digital products,high amplification efficiency
Build-in noise reduction circuit, no noise when power on/off, supports short circuit, over current and over temperature protection.
