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- umtmedia (187192)- Feedback left by buyer.More than a year agoVerified purchaseGood buyer, prompt payment, valued customer, highly recommended.
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- 3waycomp (209077)- Feedback left by buyer.More than a year agoVerified purchaseGood buyer, prompt payment, valued customer, highly recommended.
Reviews (4)

Jul 13, 2017
SD card slot doesn't line up with slot in case.
3 of 3 found this helpful This is a neat little card reader and very inexpensive. Using an OTG USB cable I was able to read photos from an SD card on my Android Tablet. The card appeared as "USB" in Total Commander which is an app that works rather like Windows Explorer. However, there is a problem: as it arrived, it was impossible to plug in an SD card as the metal slot in the case doesn't line up with the card slot on the PCB. I had to take the device apart (which is easily done by gently prizing out the white plastic end piece). I then used a needle file to make the slot wider (see photo). I also re-soldered the USB connector which was crooked and tacked on by a little blob of solder on only one side. It all seems good now. It has the makings of a good card reader if you have a few simple workshop tools!

Oct 29, 2020
Good replacement for a faulty mains transformer in an old guitar amp.
I used this part to replace the mains transformer in a Fender Frontman 15R guitar amplifier and the amp is now working well, and sounding great.

Jun 18, 2020
Very efficient and good value module
Plus points:
1. It is very efficient, only draws a few 10's of mA even when making lots of sound.
2. Very small - would fit into almost any space.
3. Runs off 5V supply - easily powered from USB, or a plug-top adaptor.
4. Sounds good, can go quite loud..
5. Simple connections - input, output and power.
Negative points:
1. Huge amounts of 240kHz going down the speaker cables, potential source of radio interference. See oscilloscope photo of output with no signal going in. 1uS/div horisontal, 2V/div vertical. Not sure if this would cause some tweeters to smoke.
2. Not much gain - needs quite a lot of signal to drive the circuit, I had to turn my tablet up full to get a decent volume.
3. No instructions supplied - but data sheet for chip is freely available by searching PAM8403 on line.
4. Needs a fine tip soldering iron to attach the wires.