Syba SD-CM-UAUD USB audio interface

I recently had an email from a visitor to this website, who wanted to replace a broken audio port built into their Mac Powerbook.

With repair just too expensive and complicated. They wanted a simple, cheap audio interface that could solve their problem.

A couple of days later, I had another email saying they’d purchased a Syba SD-CM-UAUD USB Stereo Audio Adapter from Amazon.

What’s more, they said they were; ‘delighted with the results’ and;

‘The USB adaptor solves the problem indeed, the sound quality is identical (if not a little better) than it was from the pin port, and $8 is as budget as it gets.’

Proving you don’t always have to spend a lot of money to solve your computer audio problems.

At the time of writing this article, the Syba device is the Number #1 Best Selling item in the Computer Recording Audio Interfaces section at

Best Sellers - Computer Audio Recording - Amazon

Of course, it won’t suit everyones needs.

But if your computer is without audio capability, then this simple, tiny, cheap but effective device will add it.

Plug in a microphone head set, pair of headphones, or maybe a stereo audio lead to connect up an amp and speakers.

It could even be used with free DJ software like this. To make a really cost effective entry level laptop DJ rig. Provided of course it’s used with a laptop already with a functioning stereo audio output.

Some people may also like to connect up via a USB extension cable or a USB Hub. Either to get the unit closer to thier amp, or perhaps to aleviate worries about damaging the unit with frequently unplugging.

A word for those thinking of using this Syba unit to digitise thier record collection, it’s worth noting there’s only a mono microphone input provided. So if you want to do that, you’re better of with something like this.

Main Features

  • Compatible with Mac, PC and Linux
  • USB 2.0 compliant
  • Driverless operation
  • 44.1 and 48 kHz Sample playback rates
  • Stereo standard mini jack output
  • Mono microphone input
  • Mute and Activity Status LED indicators

For anyone interested in what’s inside the syba I found this article at with teardown pictures, and links to a datasheet for the onboard CM119 USB I/O chip.

It seems the Syba SD-CM-UAUD offers a great solution to fix a broken audio port on you laptop, with conveinent, quick and easy results. And at such a low price, it’s accessable to everyone.

If you have any experience with this or similar mini USB audio interfaces that you’d like to share, please feel free to add your comments in the box below.

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