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Topping TP30 Class T Digital Mini Amplifier with USB-DAC 15 WPC

by Topping
4.5 out of 5 stars 45 customer reviews
| 28 answered questions

Available from these sellers.
  • Tripath-based for fantastic sound reproduction
  • USB-DAC input for multimedia sound applications
  • Small footprint ideal for desktop or where space is a consideration
  • Front panel 3.5mm headphone output
1 new from $85.49

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Product Specifications

Brand NameTopping
Output Wattage30

Product Description

The Topping TP30 is both an external USB sound-card and high quality mini amplifier based on the popular Tripath 2024C chip. Ideal for multimedia (USB-DAC) sound applications, desktop speakers, background music, ceiling, or in-wall speakers.

Product Details

  • Product Dimensions: 8.1 x 4.1 x 1.8 inches ; 2.5 pounds
  • Shipping Weight: 2.6 pounds
  • ASIN: B005D7SKWK
  • Item model number: TP30
  • Average Customer Review: 4.5 out of 5 stars 45 customer reviews
  • Amazon Best Sellers Rank:
  • Product Warranty: For warranty information about this product, please click here
  • Date first available at Amazon.com: July 18, 2011
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Customer Reviews

Top Customer Reviews

I'm using this little DAC/amp box for my desktop computer at home now, pretty happy with it. It eliminates all the noise my motherboard headphone/preamp output spews, while adding enough power to drive full size speakers or lower impedence headphones--not at the same time, but it's easy to switch between them. I'm using it for speakers during the day, headphones at night, all controlled with a simple box outside my computer.

Build quality is reasonable. Switches, volume knob, and speaker binding posts seem solid enough without being too cheap. Speaker posts for example are not spring clips, but they won't handle larger wire and it's possible to unscrew them and lose a piece if you're not careful.

There are a few sound quality concerns to be aware of. Frequency response is very obviously tweaked upward at the high end, which can be a bit bright with the wrong speakers or headphones. If you look around for measurements of T amplifiers, this is a common and easily measured issue in many of them, with this model's particular problems shown in its Audioheuristics review. And there's not enough power for the deep bass to be very exciting. Finally, the headphone output is only rated for up to 200 ohms. That's fine for most non-exotic headphones, but it further limits this from being a giant killer in the headphone DAC+amp category.

Works fine under OS X and Linux. You'll have to provide the USB cord. No, it doesn't sound better if you get an expensive one.
6 Comments 45 of 48 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Topping has been an up and comer in the PC audio market for a while now, and this product certainly proves why. I've had this unit for nearly a year now, and I could not be more pleased.

First, build quality. The all metal enclosure gives off the impression that this isn't some toy designed to be replaced in a year. The brushed metal case may not appeal to everybody, but personally I love it. The blue light isn't that bright, so its not too distracting, and adds a bit of high tech flavor to the look. It was really nice to see some quality binding posts for speaker connections and gold plated connectors everywhere.

I've used this little unit as both an DAC/Amp and just as an amp, and I'm continually impressed. As a DAC, its going to sound better than just about any PC sound card you pit it against (although this thing only puts out 2 channels of sound, its vastly superior to any sound card I've heard, and I've probably heard them all!). When paired with a nice set of speakers, this thing really shines. If you've never experienced a tripath amp, they really are the 2nd coming of high fidelity. While still somewhat inferior to their tube cousins, tripath amplifiers are just unbeatable when done right, and often at an incredibly low cost. For its price range, I've yet to hear a DAC/Amp combo that beats this one. Highs are smooth and crisp, but not unnaturally harsh. The lows are tight but the vocals are where this thing really shines. Dialogue and vocals are incredibly clear and present. Overall you cannot ask for much more, especially considering the incredibly low price of this unit. Remember this is a sound card (DAC) and an amp all in one.

Getting the unit to work on a computer couldn't be simpler.
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Verified Purchase
I recently changed living quarters and my current living situation precludes the use of my usual setup with very large and loud speakers. I of course have a reasonably good set of headphones JVC HARX900 High-Grade Full-Size Headphone. Until recently they have not gotten much use. What I have found is that they require more power than the audio out on my computer can supply :-( My first thought was to get an Asus Xonar card with the built in headphone amp. A great choice but pricey and more then I need right now. That leaves an external head amp. So now I had to do some serious research. Breifly what I discovered was a bit surprising but very useful. Even very good motherboards make a lot of compromises when it comes to sound. Internal DA converters are mediocre at best so using an external anologue amp (even a good one) will get you more volume but the sound will suffer even more for having been amped. The Answer is an external DAC (Digital Audio Converter) combined with a head amp. Alas there are quite a few out there. The problem is finding something reasonably priced and stil be an improvement in sound quality as well as be able to deliver lots of volume. After wading through scores of reviews here and other places I found that the Topping TP30 consistanly had extremely good reviews with almost no negatives. Even units costing 2 to 3 times as much did not score as well. Amazing since this device is just under $100. (as of Sept 2012). Now onto my experience with the device. First it arrived very quickly and double boxed. The unit inside was pristine and looks just like the images here at Amazon.Read more ›
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This has to be one of the best values for money in audio equipment. I use a Lenovo Thinkpad running Windows 8 and it took me exactly one second to install this -- there is nothing to adjust, just pop the USB cable in and you're done. I had an extra pair of Klipsch SB1 speakers, and I am using it with them. The sound is simply incredible. You could go for a very high-end USB DAC and more exotic components, but this gets you 99.99% of the way there unless you want to get really loud. The sound is spectacular, and to my ear it sounds very much like that clean, tight, sparkly sound of vintage Yamaha equipment. The build quality is excellent, and the feel of the switches, knob and connectors is very good.

My one minor complaint is that the blue LED is a bit bright, but it takes a few seconds to fix: simply remove the knob and use a Sharpie to write over the LEDs. Now the light is much dimmer, but still enough to let you know that the unit is on.

The T30's very useful for office chores, too: the quality with Skype calls has to be heard to be believed. It is literally like talking to someone in person. So, so, so much easier to have long calls and understand every word.

Mine cost $87 shipped, and it was delivered, very well packaged, within 36 hours of ordering.

I would say that dollar for dollar, there is almost nothing you can do for this amount of money to increase your enjoyment of being at the computer so much.
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