







🎧 Tiny Powerhouse, Big Sound — Amplify Your Audio Anywhere!
The 5pcs Mini PAM8403 amplifier board is a compact, USB-powered digital stereo amplifier delivering 3W per channel at 5V with over 90% efficiency. Featuring a built-in volume control potentiometer and a small form factor (29.5x20.2mm), it’s ideal for portable electronics and DIY audio projects requiring reliable, high-quality amplification.
| ASIN | B07TB17NLM |
| Best Sellers Rank | #40,861 in Electronics ( See Top 100 in Electronics ) #232 in Audio Component Amplifiers |
| Brand | R REIFENG |
| Date First Available | June 18, 2019 |
| Item Weight | 1.58 ounces |
| Item model number | WJ-00527 |
| Manufacturer | R REIFENG |
| Material | Circuit Board, Semiconductor |
| Maximum Supply Voltage | 5 Volts |
| Minimum Supply Voltage | 2.5 Volts (DC) |
| Mounting Type | Surface Mount |
| Number of Channels | 2 |
| Output Power | 3 Watts |
| Package Dimensions | 4.7 x 2.1 x 0.8 inches |
| Voltage | 5 Volts |
R**É
👍🏻👍🏼👍🏽👍🏾
You get what you paid for. Works perfectly fine 👍🏻👍🏼👍🏽👍🏾
K**R
Small adjustable amplifier. Good quality and useful. Also it is small and fits almost everywhere.
I was surprised how well it works and how small it is.
P**8
Good, for what it is
I inherited one of those inexpensive record players. It was damaged because they hooked up the wrong power supply and fried the existing board. I used this board to replace the amplifier, and it worked. I'm surprised honestly by how well it actually works. We're talking 3 watt speakers, so it's only for personal listening but it worked out and made the record player at least able to play records again.
E**.
They work
Exactly what I expected. Small, cheap, amps.
M**N
Tiny, simple, cheap, good sound.
Worked great for repurposing a friend's old iMac tiny 8 ohm globe speakers. Hook up is dead simple, with much potential for putting to various creative uses.
W**L
Great for projects needing a moderate audio output
Excellent compact amplifier module for small projects. Used one of these with speakers to boost the sound from my PC. Minimal distortion, although a bit weak on the bass signals; not surprising for such a low-power package. Great for projects needing a moderate audio output. Simple to use.
S**S
Loud with the right speaker.
Loud when used with Make Hawk Arduino Speaker 3 Watt 8 Ohm Single Cavity Mini Speaker. Used with the talkie library for voice on a arduino uno project, talking thermometer.
D**N
Doesn't work
Tried to get one to work, never again!
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