Product Details
Miniature 2 Channel * 3 Watts Per Channel PAM8403 Class D Stereo Audio Power Amplifier Module Board
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 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
Package Contents:
1 x PAM8403 Class D Stereo Audio Power Amplifier Module
3PCS PAM8403 Mini 2 Channel 3W Stereo Class D Audio Power Amplifier Module Board
New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging is applicable). If the item comes direct from a manufacturer, it may be delivered in non-retail packaging, such as a plain or unprinted box or plastic bag. See the seller's listing for full detail