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PAM8403 Mini 2 Channel 3W Stereo Class D Audio Power Amplifier Module Board USA
$ 2.31
- Description
- Size Guide
Description
Miniature 2 Channel * 3 Watts Per Channel PAM8403 Class D Stereo Audio Power Amplifier Module BoardThis 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 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%
Can provide 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
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: 21 x 18 x 3.4 mm (L x W x H)
Net weight:1g
This module has floating outputs, therefore the left and right channel "negative" connections should not be connected together. It is designed for driving speakers, it will not work with headphones, which usually share a common ground between the two channels.
Package Contents:
1 x PAM8403 Class D Stereo Audio Power Amplifier Module
Specifications and usage instructions
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See the
video review of this PAM8403 module by JohnAudioTech
on Youtube.
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