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Dayton Audio DTA-1 Class T Digital AC/DC Amplifier 15 WPC

4.5 out of 5 stars 136 customer reviews
| 25 answered questions

List Price: $59.99
Price: $27.80 + $7.95 shipping
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  • Palm-size Class-T 30 watt amplifier
  • Great sounding amp also convenient for travel
  • Battery or AC powered power supply included for perfect portability
  • 88% amplifier efficiency prolongs battery life
  • Soft turn-on eliminates annoying speaker pop
12 new from $27.80

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$27.80 + $7.95 shipping In Stock. Ships from and sold by Parts Express.

Frequently Bought Together

  • Dayton Audio DTA-1 Class T Digital AC/DC Amplifier 15 WPC
  • +
  • AmazonBasics 16-Gauge Speaker Wire - 50 Feet
  • +
  • Micca MB42 Bookshelf Speakers with 4-Inch Carbon Fiber Woofer and Silk Dome Tweeter, Black
Total price: $103.91
Buy the selected items together

CHOKING HAZARD -- Small parts. Not for children under 3 yrs.

Product Specifications

Brand NameDayton Audio
Output Wattage30

Technical Details

  • Brand Name: Dayton Audio
  • Model Number: DTA-1
  • Output Wattage: 30
  • Surround Sound Channel Configuration: 2

Product Description

Don't let the compact size fool you Dayton Audio's DTA-1 mini amplifier is a serious piece of audio gear. A proprietary Class-T amplifier chip enables the DTA-1 to be 88% efficient while still producing pristine, high-resolution output. This makes the DTA-1 T-Amp an obvious choice for powering high efficiency single driver speakers. Up to 15 watts of power per channel is on tap to drive desktop and bookshelf speakers, for the ultimate portable hi-fi setup at home or in your office. The Dayton Audio DTA-1 T-Amp can run off of 8 AA batteries for total portability, or the included switching power supply (with quick-release US and European style plugs) for stationary use. A rear mounted 3.5 mm stereo (1/8) audio input is provided. The amplifier also includes a 6 long, coiled male-to-male 3.5 mm cable for making connections to iPods, MP3 players, PCs, and portable CD or DVD players. Spring-loaded push terminals are incorporated for quick speaker wire termination. Intelligent short-circuit and over-temperature protection ensure amplifier longevity. The Dayton Audio DTA-1 is the perfect replacement for the now unavailable Sonic Impact 5066 NIB class T amplifier. Dayton Audio has taken the technology developed for the Sonic Impact 5066 and perfected it in this hand-held digital amplifier. Specifications: ; Power output: 2 x 15 watts RMS (into 4 ohms @ 10% THD), 2 x 10 watts RMS (into 4 ohms @ 0.1% THD) ; Efficiency: Greater than 88% ; Dynamic range: 102 dB ; Dimensions: 2 H x 6-1/8 W x 3-3/4 D

Product Details

User Manual [158kb PDF]| User Manual [158kb PDF]
  • Product Dimensions: 3.8 x 6.1 x 2 inches ; 1.1 pounds
  • Shipping Weight: 1.2 pounds (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B001PNOH2I
  • Item model number: DTA-1
  • Batteries 8 AA batteries required.
  • Average Customer Review: 4.5 out of 5 stars 136 customer reviews
  • Amazon Best Sellers Rank:
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.
  • Date first available at Amazon.com: November 4, 2009
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Customer Reviews

Top Customer Reviews

Verified Purchase
Length: 3:38 Mins
The Dayton Audio 30W amplifier is small portable amplifier that is rated at 30W @ 15W per channel. The true output is closer to 9W/channel at 0.04% total distortion. For those who are not familiar with power settings on amplifiers - what does that mean... it means that you are able to power a nice set of book-shelf speakers and completely fill the room with sound.

I bought the Dayton Amplifier to power some surface transducer speakers - mainly as a way to play around and build some speakers (See an example in the video portion of the review). While my speaker experiment was not overly successful I can still say that it was not because of the amp. The Dayton Audio 30W amp delivers impressive sound out of a small (portable package).

One thing to consider, since this amplifier accepts aux inputs as the source you can use the Dayton Amplifier and a pair of bookshelf speakers and get sound that is superior to most ipod docks - at a fraction of the cost.

A few notes

- The Dayton Amplifier can use 8 AA batteries allowing it to provide power without being tethered to a wall outlet.

- Will only accept an aux. input - the only way to use standard RCA inputs (or any other type of input) is to use a splitter or Aux-to-RCA connection.

- The blue light on the front is bright and a little annoying.

- Two channels - each accepting thin gauge speaker wire

- Dial on the front for volume control

Final Verdict - I am impressed with the Dayton Audio 30W amplifier. It can serve many purposes, but it certainly can make an impressive power source for a ipod speaker system. Definitely recommended.

4 1/2 Stars
Comment 25 of 27 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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I have been a "hi-fi-natic" for over fifty years. And over the years I have owned - and still own - a number of top-quality amplifiers, both integrated and separate.

I had a pair of Pinnacle PAS 28 ported (dual ports) 2-way Speakers (Frequency Response: 30-21000 Hz +/- 3 dB; SPL: 92 dB 1 Watt, 1kHz, 1 Meter) which were not being used (speakers do tend to accumulate); they are of excellent quality and I bought this unit to use with them (as you can see they are quite efficient and they offer superb sound quality as well) and also see just how good a T-amp is.

Let me state that I am amazed - and you will be too. Of course everyone is entitled to their own opinion but it is my opinion that a prospective purchaser can safely ignore any negative comments made in other reviews of this Dayton DTA-1 Class T Digital Amplifier 15 WPC, especially about build-quality - with only one minor exception: the batteries are a bit tricky to insert and remove; the spring connections could have been of better quality and somewhat more recessed. Otherwise the build-quality is fine.

But it is the sound that counts and, in my opinion, the sound this unit produces is absolutely first-rate. Some people have complained about a perceived lack of bass but take my word for it - it's there and in abundance should the music require it. (I listen almost exclusively to classical music.) Plus the sound is the same on AC or batteries at least for the four hours I ran mine the other day on (NiMH rechargeable) battery power. (Just as I had inserted the batteries to try the amp out that way, our power went out!
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Verified Purchase
Five "stars" for the clarity/fidelity of the audio playback. Zero "stars" for the AA battery compartments. Each of the 2 compartments holds 4 AA batteries. The first battery goes into a compartment effortlessly. When you try inserting the second battery, however, you risk breaking an interfering battery terminal spring (the one for the battery space above where this 2nd battery goes). An unbelievable/terrible/childish design blunder. The problem could have been easily avoided by internally wiring the battery terminals differently, and thus using non-interfering battery orientations.
If you always use this amp with the provided wall wart (ac/dc converter): no problem. If you do have to use battery power: get an 8 AA battery holder, some wires, an appropriate DC plug, and wire your own external 12V source to plug into the back of this amp. Again, the audio performance is excellent.
BTW: the advertised 15W/channel rating is for 4 ohm speakers. If you use 8 ohm speakers, the power output will be reduced by a factor of two (to approximately 7W/chn... which is still a lot..... I needed perhaps only 2W/chn to play some music to a 50 person dinner party at a restaurant: loud, clear, faithful).
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Verified Purchase
I used this amp with the Micca MB42x bookshelf speakers. My intent was to put together a cheap, portable setup that I could use both on my desk at home, and to carry with me in the car/camping on trips. I'm using Velcro to hook the different parts together for travel and portability.

This amp provided both battery and wall power. I was debating between this and the lepai 2020a+ and decided that having the built in battery compartment was easier than wiring up my own... It wouldn't be overly hard to do, but frankly, I'm lazy, and I won't be the only user.

The only reason why I'm not giving it 5 stars is that it starts clipping (with the MB42X speakers) at around half volume. I've tried 5amp 12 volt adapters, and frankly this unit just won't drive those speakers at more than 1/2 -2/3 volume without clipping. That being said, the sound quality is good to great, and 1/2 to 2/3 volume is plenty loud for my intended use.

I'm very happy with my setup, and its met my intended purpose very well for ~$100 dollars. I'm not going to go on some crazy audiophile recommendation here. It this amp + the MB42X speakers sound as good if not slightly better than most portable setups in the 150-250 price range that I have heard.

It would also be nice if they came out with a sub $50 amp at 20watts with built in quality bluetooth (yes I know it hurts quality, but so does sitting speakers on a tailgate of a truck in the woods.


This broke after about 3 months, just horrible sound and no volume. Contacted Dayton for support and a warranty repair (1 year warranty) and while I could reach them they said I had to make the warranty claim thru Amazon.
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Dayton Audio DTA-1 Class T Digital AC/DC Amplifier 15 WPC
This item: Dayton Audio DTA-1 Class T Digital AC/DC Amplifier 15 WPC
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