Wresetly 5 Pcs Digital Power Amplifier Board - 2X3W Type D PAM8403 Audio Module with DC 5V Input | High-Quality Digital Audio Amplifier for DIY Speakers, Home Theater & Portable Sound Systems
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Estimated Delivery:7-15 days international
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SKU:97933215
Product Description
Wresetly 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 2-8WColour:greenMaterial:PCBPackage Contents:5 * Power AmplifierOnly 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 is +/- 1-3cm.
Product Features
High efficiency 90%, can 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 put in small space of many digital ,high amplification efficiency
Type D power amplifier has high amplification efficiency, sound quality 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.
-in noise reduction circuit, no noise when power on/off, supports short circuit, over current and over temperature protection.
