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🎧 Tiny Amp, Massive Impact: Power Your Sound Anywhere, Anytime!
The 5pcs PAM8403 Super Small Power Amplifier Boards are ultra-compact, dual-channel digital amplifiers delivering 3W per channel at 90% efficiency. Powered by 2.5-5.5V USB or lithium batteries, these Type D amps run cool without heat sinks and feature built-in noise reduction plus multiple protections. Ideal for DIY audio, portable speakers, and retro tech projects, they combine professional-grade sound quality with plug-and-play convenience.
| ASIN | B07P8Z3MRY |
| Best Sellers Rank | 10,109 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 30 in Hi-Fi Amplifiers |
| Brand | Fdit |
| Country Of Origin | China |
| Customer Reviews | 4.2 out of 5 stars 99 Reviews |
| Item Dimensions | 6 x 4 x 2 centimetres |
| Item dimensions L x W x H | 6 x 4 x 2 centimetres |
| Manufacturer | Fdit |
| Manufacturer Part Number | Fdito96pdtnr5u |
| Material | fr4 |
| Maximum Output Power | 6 watts |
| Maximum Supply Voltage | 5.5 Volts (DC) |
| Maximum supply voltage | 5.5 Volts (DC) |
| Minimum Supply Voltage | 2.5 Volts (DC) |
| Minimum supply voltage | 2.5 Volts (DC) |
| Model Number | PAM8403 |
| Mounting Type | Surface Mount |
| Mounting type | Surface Mount |
| Number of Channels | 2 |
| Output Power | 3 Watts |
| Package Type Name | small carton or envelope |
| UPC | 783335872589 |
| Voltage | 5.5 Volts (DC) |
J**S
Make sure you supply the correct voltage.
Excellent. Good for Retro projects that require sound amplification.
A**E
Great for small audio projects.
Really simple. You can parallel the inputs to many of these IC with a pre-amp to drive lots of 3Watt 4ohm speakers and get decent sound volume. 1 x 18650 3500mAh lithium ion battery powers 2 units at the same time for 12watt pmpo for........drum rolll 3 days at mid volume. As these circuits run from 2.5-5.5 volts a li-po battery seemed perfect, if expenisve. They are REALLY efficient being a D type amplifier (85-90%) and draw 10's of milliamps @3.7v.
A**D
Tiny amplifiers great for all sorts of projects.
Extremely small, and work on as little as 2.6v, however just be aware they did get rather warm on 5v, I find they work very well with no heat on 3.7v range, no audio clipping, you can also run a pot in line with the signal input to get volume control, But these are tiny, decent audio quality, perfect for getting audio into your projects.
N**K
Surprisingly powerful for such a tiny amplifier.
Punches way above it's weight, perfect for small portable speaker projects.
S**G
Brilliant
How can they build and ship these for the money ! Brilliant
I**N
Certainly will solve a problem for me. Great price.
Not tried them yet.
S**H
Was good , too good , wasn't expecting the sound to be so loud , jumped out of my skin
Wired up to an original xbox with internal speakers these small power amps definitely pack a punch! Recommended , just a quick note be sure you have the correct voltage maybe a potentiometer connected at lowest volume setting and go from there
G**B
If you want a Buzzer these are it!
Absolutely the worst Amp board out there - Look Elswhere
T**.
No intentar hacer funcionar algo sin leer instrucciones.
Es para realizar proyectos .es muy sencillo de montar ,si se tiene conocimiento sobre la electrónica.
H**M
Very nice
Nice
R**V
werkt goed met b.v. een raspberry
Werkt uitstekend met 8 ohm 3W luidsprekers naar de raspberry pi op de analoge audio out. Tip: pak de 5V van de GPIO poorten: 2 = +5v , 6 = GND. Ik heb er niet 5 nodig dus die gaan in het bakje voor nog een volgende keer.
M**X
Ein kleines Teil mit viel Schub
Habe damit einige Vorverstärker nachgerüstet. Bis jetzt keine Probleme.
M**A
Ottimo prodotto
Ottimo prodotto piccolissimo e potente
Trustpilot
1 month ago
1 month ago