• 5 Pieces PAM8403 Mini 2 Channel Stereo 3W Class D Audio Power Amplifier Module Boards - Envistia Mall
  • 5 Pieces PAM8403 Mini 2 Channel Stereo 3W Class D Audio Power Amplifier Module Boards - Envistia Mall
  • 5 Pieces PAM8403 Mini 2 Channel Stereo 3W Class D Audio Power Amplifier Module Boards - Envistia Mall
  • 5 Pieces PAM8403 Mini 2 Channel Stereo 3W Class D Audio Power Amplifier Module Boards | Envistia Mall
  • 5 Pieces PAM8403 Mini 2 Channel Stereo 3W Class D Audio Power Amplifier Module Boards | Envistia Mall
  • 5 Pieces PAM8403 Mini 2 Channel Stereo 3W Class D Audio Power Amplifier Module Boards | Envistia Mall
  • 5 Pieces PAM8403 Mini 2 Channel Stereo 3W Class D Audio Power Amplifier Module Boards | Envistia Mall
  • 5 Pieces PAM8403 Mini 2 Channel Stereo 3W Class D Audio Power Amplifier Module Boards | Envistia Mall
1 8

5 Pieces PAM8403 Mini 2 Channel Stereo 3W Class D Audio Power Amplifier Module Boards

5 Pieces PAM8403 Mini 2 Channel Stereo 3W Class D Audio Power Amplifier Module Boards

$4.29
$4.29
Sale Sold out
Shipping calculated at checkout.

These miniature PAM8403 3W Class D audio amplifier modules offer low THD+N, allowing them 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
  • 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:

See the video review of this PAM8403 module by JohnAudioTech on Youtube:

View full details
  • 5 stars: 3 (75%)
  • 4 stars: 1 (25%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
This product has no reviews of its own. The merchant grouped it with related products, so the reviews shown are from across that group.
D
Diep Truong
Making history short: with PAM8403, try not to short output return lead (to ground)

Amazing small amplifier. It's designed to be used with speakers; if you wish to use it for your headphone,follow the above suggestion (headline). Use dummy loads (for speakers); I use 75 ohms (x2). Connect inputs with (x2) 10 microfarad capacitors; also x2 10 microfarads for output R & L at (+R and +L). I connected common of headphone to ground also with a 10 microfarad capacitor - with good result.Note: You can push speech volume further than with music (you would hear bursts with music, but it's not a big deal, right?). Get useful suggestions from Instructables.

P
Phung tu
sound quality

My project is to build a small speaker for my phone or tablet. I use a 3v7 lithium rechargeable battery and a 5cm diameter speaker. It is powerful enough and the sound quality is perfect even though it stiny. I am please with this board.

p
pedro pagan
Excelente

Excelente ya me llego el paquete.

s
syed shah
Wrong Review

Previously gave a rating of 1 because saw only one board. There are two, joined together. Apologize for previous review.