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Lepai Tripath TA2020 Class-T Hi-Fi Audio Amplifier with Power Supply

by LEPAI
| 5 answered questions

List Price: CDN$ 38.49
Price: CDN$ 29.29 & FREE Shipping. Details
You Save: CDN$ 9.20 (24%)
In Stock.
Sold by DIGIPARTS and Fulfilled by Amazon. Gift-wrap available.
21 new from CDN$ 28.42
  • Compact size makes this amplifier great for projects and DIY audio applications
  • 3.5 mm jack allows for easy connection to iPods, cell phones, and all sorts of mp3 players
  • Aluminum enclosure that is lightweight, yet sturdy, and acts as a heat sink
  • Tripath TA2020 amplifier chip provides efficient, powerful sound
  • Economical price and tremendous performer

Frequently Bought Together

Lepai Tripath TA2020 Class-T Hi-Fi Audio Amplifier with Power Supply + RCA AH1650SN 50 Feet 16-Gauge Speaker Wire + Startech.Com MU6mmRCA 6-Feet Stereo Audio Cable Male to 2X Rca Male (3.5mm)
Price For All Three: CDN$ 49.89


System Requirements

  • Media: Electronics
  • Item Quantity: 1

Product Details

  • Product Dimensions: 11.9 x 14.7 x 4.3 cm ; 454 g
  • Shipping Weight: 499 g
  • Item model number: LP-2020A+
  • ASIN: B0049P6OTI
  • Date first available at Amazon.ca: Feb. 16 2012
  • Average Customer Review: 4.4 out of 5 stars  See all reviews (171 customer reviews)
  • Amazon Bestsellers Rank: #344 in Electronics (See Top 100 in Electronics)
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Product Description

Product Description

This Lepai Tripath-based audio amplifier is ideal for both home and car audio applications. Its small size and clean 20 watt output makes it perfect for most any auto or home audio project or DIY application where space is limited.

From the Manufacturer

This Lepai Tripath-based mini audio amplifier is ideal for both home and car audio applications. The amplifier's TA2020 amp chip is a 20W/ch continuous average two-channel Class-T Digital Audio Power Amplifier IC that incorporates Tripath's proprietary Digital Power Processing technology. Class-T amplifiers offer the audio fidelity of Class-AB amps combined with the power efficiency of Class-D amplifiers. The Lepai amp's clean, 20 watt output makes it perfect for most any auto or home audio project or DIY application. Google "Lepai TA2020" and you'll find this little amp has been discussed and raved about. Each unit has an RCA Left and Right channel input, or you can use the 3.5 mm stereo input jack for plugging in almost any music source, such as iPods, cell phones, or MP3 players. Convenient spring terminals make connections to your speakers quick and easy. The Lepai mini amplifier has an aluminum enclosure that is lightweight, yet sturdy, and acts as a heat sink to keep the amp running cool. Color may vary. Includes power supply. Specifications: Power output: 2 x 20 watts RMS Input impedance: 47k ohms Frequency response: 20 Hz - 20 kHz Input sensitivity: 200 mV Minimum THD: <0.05-Percent Dimensions (D x W x H): 120 x 147 x 42 mm.


Customer Questions & Answers

Customer Reviews

4.4 out of 5 stars

Most helpful customer reviews

8 of 8 people found the following review helpful By Andy TOP 500 REVIEWER on Nov. 25 2013
Verified Purchase
I'm driving a pair of Sony SS-B3000s with this little amp and I'm very happy with the results. Tests around the internet show that the amp maintains very good levels of harmonic distortion up to about the 5-10 watt per channel range (this improves quite a bit with 4 ohm speakers), so don't expect high fidelity with this thing cranked. But for home listening at relatively low power, it's sounds fantastic. And for $20, you can't knock it. The bass is solid, treble is clear, mids are strong.

On a side note, when talking about sound, 5-10 watts is quite a lot. Perceived volume is a logarithmic function of power. Almost no home system had over 10 watts of usable volume until the 80s and it often came along with a loss of fidelity at lower volumes. Especially when it got ridiculous in the 90s with 500 watt home systems. The funny thing was that people still didn't use more than about 5 watts, even with their music "loud". And most home systems still sound terrible at full volume.

I'd put this up against most home receivers from the 90s in a heartbeat for fidelity in the first 7 or 8 watts, which is all I ever use. It's just unbelievable for its price and size.
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6 of 6 people found the following review helpful By VRadha on Sept. 16 2013
Verified Purchase
I hooked up this mini amp to two satellite speakers (Energy Take Classic). The input was either from a karaoke machine or from a wireless microphone. Also tested with output from my laptop. The sound is amazingly great for a mini amp. The MP3 (3.5 mm stereo) input is very convenient to hook up laptops or other portable audio devices. The Direct/Tone control is also very useful (though I use the Direct mode predominantly). The blue LED lighting around the volume control knob is pleasing to the eyes. Overall, I am happy with the purchase.
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5 of 5 people found the following review helpful By matbury.com on Dec 11 2013
Verified Purchase
I've had the Lepai 20W stereo amp for a few weeks. I'm using it with the provided power adaptor (110V mains to 12V @ 2A) which is a small, light SMPS unit that plugs into the wall. You also have the option to connect a 12V battery power supply if you want something portable for travelling, camping, picnics, a busking amp, etc. A rechargeable 12 sealed lead acid (SLA) battery (burglar alarm/emergency lighting battery) would be ideal but remember that you can't take SLA batteries on planes or through security checks.

I have it plugged into a pair of small, low quality bookshelf loudspeakers so I can't really comment on the sound quality. The tone controls (bass and treble) make a noticeable difference and I think have a sufficient range for what you'd expect from a small cheap amp, plus there's a bypass switch. The case and controls have solid construction and I think the unit would survive a few knocks and drops - important if you intend to travel with it or use it for busking. I haven't tested it but I expect the 2A power supply is easily enough to get a full 20W out of the amp without distortion or losing bass response, however, that doesn't mean it wouldn't overheat if played at full volume for long periods of time. It's easily serviceable but, for the price, it's probably cheaper and easier to buy a new one if anything goes wrong with it.

Overall, I'd say it's a bargain at the price, robust and flexible, a decent quality... ...and no, I wasn't paid to write this review! I genuinely like it.
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1 of 1 people found the following review helpful By Rey on Sept. 29 2014
Verified Purchase
This amplifier has a static sound that comes out of it no matter what. At first I thought it was the wiring so I replaced the auxiliary cable with a thick shielded one and the static sound does not go away. The higher I turn up the dial the louder it gets. This happens regardless of the device I plug into. There's no bass at all. The bass dial is there but it doesn't provide much. Other people suggested that its good for basement or garage use; I don't think it's worth it at all. It's cheap enough so I don't mind it and it may come in use if you are trying to test your car speakers or other speakers around the house. Its light and portable but does get too hot to touch.
The light on the dial is extremely bright, so if you are at home and watching tv in the dark, it gets pretty annoying.
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2 of 2 people found the following review helpful By Michael Gazier on Dec 10 2013
Verified Purchase
The quality of the LP-2020A+ is surprisingly good. I hooked it up to a pair of good bookshelf speakers and it works well from my iphone itunes at 192kbps over the analogue wire. Is it as good as a 500$ or 2000$ amp ? less full, so no. Is it well worth the price and surpasses most peoples' needs ? yes, i was surprised at the sound. Is it loud ? loud enough to cover a few rooms at moderate intensity. A good purchase for my needs which was to drive a few very good speakers with fairly reasonable quality with a very low cost, small size (it's super light too), and with good enough quality.
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2 of 2 people found the following review helpful By Chris Godwaldt on Dec 10 2013
Verified Purchase
It's small, incredibly easy to hookup, and the sound quality is perfect.
I've four small speakers installed in my cafe and this mini amp takes the sound from my iPhone and distributes it seamlessly.

Price is amazing as well!
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2 of 2 people found the following review helpful By Adrian Wai Chung Chan on Sept. 25 2013
Verified Purchase
The product works well for it's price, However, at loud volumes it has a humming noise, so just make sure you don't turn it up too much.
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2 of 2 people found the following review helpful By Link2Link on May 12 2013
Verified Purchase
Great little amp for powering any spare speakers you have laying around. Doesn't get hot after hours of use. It also has a speaker protection circuit so that when turning the power switch, there is no loud pop only a tiny click.
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Most recent customer reviews