5pcs PAM8403 Mini 2 Channel Stereo 3W Class D Audio Power Amplifier Module Board

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5 Pieces Miniature 2 Channel * 3 Watt PAM8403 Class D Stereo Audio Power Amplifier Module Board<br>This miniature PAM8403 module is a 3W, class-D stereo audio amplifier. It offers low THD+N, allowing it to achieve high-quality sound reproduction, all in a form factor about the size of a US postage stamp!<br>It can be used in any DIY design requiring a miniature audio amplifier, especially portable and mobile applications operating on battery power.<br>Features:<br>Can use the computer USB port, USB power bank or a mobile phone charger to supply the 5V support power<br>Battery power can also be used<br>High efficiency: 90%<br>Can provide 3W (left channel) + 3W (right channel) output power into a 4Ω speak load and 5V power supply<br>CMOS class D amplifier design for high efficiency and low cost<br>Noise canceling circuit built into the amplifier board<br>Power on / off without poppoing noise<br>Module has short-circuit current protection, under-voltage lockout and over-temperature protection (shuts down at an internal temperature of 140C +/- 15C<br>Specifications:<br>Operating voltage: 2.5V-5.5V<br>Speaker Load: 4-8 Ohms<br>Size: 21 x 18 x 3.4 mm (L x W x H)<br>Net weight:1g<br>This module has a floating output, therefore left and right channel "negative" connections should not be connected together. The module is designed for driving speakers, it will not work with headphones, which usually share a common ground between the two channels.<br>Package Contents:<br>5x (5 pieces) PAM8403 Class D Stereo Audio Power Amplifier Module<br>Printed specifications and usage documentation<br>Get it faster! Ships in 1 business day from our Colorado office for quick US delivery.<br>Click here to see our other<br>Audio and Stereo Components and Modules<br>.<br>See the<br>video review of this PAM8403 module by JohnAudioTech<br>on Youtube.<br>We provide FREE USPS First Class Shipping with Tracking - Not Economy Shipping<br>