PAM8403 3W Stereo Audio Power Amplifier Board Module with Volume

Electronics for IoT, Prototyping & DIY

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PAM8403 3W Stereo Audio Power Amplifier Board Module with Volume Control Pot US

 

Miniature 2 Channel * 3 Watt PAM8403 Class D Stereo Audio Power Amplifier Module Board with Power Switch and Volume Control Potentiometer
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. It can operate from a 5V USB power supply or batteries, and includes a power switch and volume control potentiometer for ease of use.  
It can be used in any DIY design requiring a miniature audio amplifier, especially portable and mobile applications operating on battery power.  
Features:

• Can use the computer USB port, USB power bank or a mobile phone charger to supply the 5V support power
• Battery power can also be used
• High efficiency: 90%
• Provides 3W (left channel) + 3W (right channel) output power into a 4Ω speaker load and 5V power supply
• CMOS class D amplifier design for high efficiency and low cost
• Noise canceling circuit built into the amplifier board
• Power on / off without popping noise
• Integrated power switch and volume control (turn knob fully counter-clockwise to turn off)
• Module has short-circuit current protection, under-voltage lockout and over-temperature protection (shuts down at an internal temperature of 140C +/- 15C)

Specifications:

• Operating voltage: 2.5V-5.5V
• Speaker Load: 4-8 Ohms
• Size: 29 x 20 x 12.5 mm (L x W x H);  29 x 35 x 12.5 including volume control knob
• Volume control potentiometer shaft diameter: 6mm
• Net weight:8g

Package Contents:1 x PAM8403 Class D Stereo Audio Power Amplifier Module with Volume Control PotentiometerSpecifications and usage instructions
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Note: 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. 
Click here to see our other Audio and Stereo Components and Modules. 
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