Topping TP30 Amplifier

Topping TP30

The Topping TP30 solves the problem of what to do if you want to use regular non-powered speakers with your computer. The TP30 is a small stereo amplifier with a built-in USB DAC to connect to your computer.

I’ve got my 32″ monitor mounted on the wall behind my desk, and wanted a pair of good quality speakers to wall mount on either side of the monitor. I couldn’t find any powered computer speakers I’d be interested in that were wall mountable.

I did, however, find some thin Polk Audio OWM3 speakers that have a depth of only 4 1/10″ and mount to the wall without any additional mounting hardware (just the expansion screws/anchors in the wall). Even at 4 1/10″ they stick out about twice as far as the monitor, but that’s ok.

The Topping TP30 is a Class T amplifier that is very power efficient and has qualities similar to a vacuum tube amp. Its powered by a 12V power supply that came with the amp that looks like a laptop power brick.

There’s a USB port on the back to connect to your computer, along with a pair of RCA jacks for an AUX input, and speaker outputs that accept banana plugs. On the front, there’s a power switch and a source selector switch to switch between the USB DAC and the AUX input. There’s also a headphone jack and a lighted volume knob.

A USB cable wasn’t included, so I had to supply my own. Also, while mine came with a power supply, I’ve heard reports that some come without one, so you’ll want to double check that if you’re looking for one.

The whole thing looks very well put together. And it sounds very nice paired with the Polk Audio speakers. Much better than the $20-$30 powered computer speakers I used before. I’ve been using it for about one year already.

The speakers I’m using do lack really deep bass, but I expected that considering their size. Its a compromise I’m willing to live with to have a pair of thin wall-mounted speakers. I’m sure the TP30 could drive larger speakers if you’ve got room for them.

The TP30 is rated at 10 watts per channel at 8 ohms. It has driven my speakers quite loudly with no problems, though most of the time its at a relatively quiet normal listening volume.

Originally I ordered the TP30 from an online store in China, but I never received it, and they wouldn’t respond to my email (their website no longer resolves today). Thankfully I paid with paypal and got my money back, and ordered from Parts Express through Amazon. It was a little more expensive but I received it without any problems. The going price for the Topping TP30 seems to be around $100.

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