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Product features: 5W+5W Class D digital power amplifier
Power supply voltage: DC 5V (Do not over-voltage, over-voltage will burn IC)
Input method: single-ended
Output power: 5W 2Ω 5V \ 3W 4Ω 5V \ 1.8W 8Ω 5V
Size: 55.12mm*32.26mm
Product weight: 25g
Process materials: high-grade pure black immersion gold circuit board, imported KEMET audio capacitor, large-capacity filter capacitor per channel. Specially customized pure black pure copper terminals, gold-plated audio input terminals.
Low quiescent current, excellent noise suppression
Protection: power input reverse connection protection, short circuit, overheating, and over EMI
Additional features:
External amplifier type selection function can be connected (MODE: high level D type, low level AB type, factory default high level)
Can be externally shut down (SD: chip shut down when low level, factory default high level)
Can be connected to mute (MUTE: low level mute, factory default high level)
robert Gauthier
Reviewed in Canada on March 8, 2025
This is a great amp I put it in a secrets tin and made a custom solution for my boys PC. Wired it to 5 v usb end. 3.5 mm audio end to PC. 100 uses I'd imagine. Be a great replacement for a set of good PC speakers.
Cavan Baillie
Reviewed in Canada on January 26, 2025
Great sound on my Retro Arcade game
matthewe
Reviewed in Canada on January 20, 2025
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Muffin
Reviewed in Canada on May 19, 2024
My Bluetooth speaker kicked the bucket not too long ago and was able to salvage the speakers and housing, along with the battery. This amplifier board works just as well as the original one that the speaker had inside, and actually sounds pretty darn good. It can deliver it's rated 5 watts of power with some headroom to spare which is nice.
Dylan
Reviewed in Canada on May 17, 2024
really like this, it was great for a mini Arduino build that i had in mind. works as expected
Ralph
Reviewed in the United States on November 2, 2024
If you are working with those 4W 3Ohm DIY speakers, this is exactly what you need for your project. The board does a great job at amplifying sounds; especially, if you are particularly working with treble.Although the board did a fantastic job amplifying treble, I wasn't particularly impressed with the bass amplification. I compared it to another amplifier I own (3.7V board), and it underperformed significantly.The board was easy to use, and did not require any soldering. I was able to clamp in the wires and use it right away.Overall, I think it is a great board if you plan on using it for anything other than music. When it came to amplifying voices, it was really fantastic. I recommend giving it a try.
Isaac
Reviewed in the United States on October 31, 2024
Check out the datasheet for the PAM8406.Example of expected volume:~98dB/SPL max at 1meter...with 2x90dB SPL @1watt @1meter 8ohm speakers (consumer speakers usually aren't so efficient)powered with 1.6watts each @1%distortionI suggest at least a 2.5amp power supply to leave a little headroom there.Driving a two way monitor in a test, things sounded perfectly clear. The PAM8406 datasheet suggests perfectly acceptable and impressively low noise and crosstalk.This thing is adorably small. I love how cheap audio electronics manufacturing has gotten.
Sebastien Cote
Reviewed in Canada on April 21, 2024
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Scar
Reviewed in the United States on December 28, 2023
Wasn't expecting much quality with my cheap little speakers but it actually sounds decent and is able to crank more volume than I even need. Worked the first time I wired it up...that never happens. Then again that is probably more of a "me" thing.
emanation
Reviewed in the United States on December 13, 2020
10 watts total. It’s the beast in tiny box. Just make sure to provide enough power supply to it. Sound is good. No soldering to connect it. Good for any small project with sound.
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