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Manuals & Resources

Lepai LP-2020A+ Tripath Class-T Hi-Fi Audio Mini Amplifier with Power Supply

Brand:|Model: LP-2020A+
This Parts Express Lepai Tripath-based Class-T mini audio amplifier's small size and clean 20 watt output make it perfect for almost any auto or home audio project or DIY application where space is limited. Power supply included when purchased from Parts Express.
In Stock
List Price$34.99
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$26.88
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Part # 310-300
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Highlights
  • Tripath TA2020 amplifier chip provides efficient, powerful sound
  • Economical price and tremendous performer
  • Compact size makes this amplifier great for projects and DIY audio applications
  • Power supply included when purchased from Parts Express
  • Aluminum enclosure that is lightweight yet sturdy, and acts as a heat sink
  • 3.5 mm jack allows easy connection to iPods, cell phones, and all sorts of MP3 players

Product Details

Lepai LP-2020A+ Tripath Class-T Hi-Fi Audio Mini Amplifier with Power Supply

The leading edge of a small-amplifier revolution

This special purchase Lepai Tripath-based mini audio amplifier is ideal for both home and car audio applications. The amplifier's TA-2020 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 designs combined with the power efficiency of Class-D amplifiers. The Lepai amp's clean, 20 watt output makes it perfect for almost any auto or home audio project or DIY application.

Get connected quickly and start listening to music

Google "Lepai LP-2020A+" 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!

Arrives ready to work, and keeps on working

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 at minimum 12V, 2A power supply. PSU styles may vary.

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% • Dimensions: 4.72" D x 5.79" W x 1.65" H.

Power Supply Specifications: • Input: 100~240 VAC, 50-60 Hz • Output: 12 VDC, 2A (minimum) • 2.1 x 5.5 plug.



Product Specifications
  • Special FeaturesClass T
Lepai LP-2020A+ Tripath Class-T Hi-Fi Audio Mini Amplifier with Power Supply
  • BrandLepai
  • ModelLP-2020A+
  • Part Number310-300
  • UPC844632088353
  • Product CategoryHome Audio Amplifiers
  • Unit of MeasureEA
  • Product Rating
    (311 Reviews)
  • Weight1 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

View similar products to the Lepai LP-2020A+ Tripath Class-T Hi-Fi Audio Mini Amplifier with Power Supply
in the Home Audio Amplifiers product category.

Reviews

Lepai LP-2020A+ Tripath Class-T Hi-Fi Audio Mini Amplifier with Power Supply
Lepai LP-2020A+ Tripath Class-T Hi-Fi Audio Mini Amplifier with Power Supply is rated 4.4502 out of 5 by 311.
Rated 5 out of 5 by from Back for a second oneI bought on out of curiosity . I am new to pro sound stuff. I ran this through cerwin vega at-15s . its not clean sound but clean enough for the shop. Its the right price for testing and playing around. and you can hook it up to any thing..results will surprise you some speakers will rock so hard it will make you deaf others will not respond to the class t . Find out what the fuss is about....
Date published: 2015-07-27
Rated 4 out of 5 by from value for money amplifierAs most of the amplifiers, fails to deliver 20W per channel @ 8ohms load.Power supply was DOA. There does seem to be quality control issues with these amplifiers. Parts Express was kind enough to send an immediate replacement of power supply. Kudos for the service.
Date published: 2015-07-10
Rated 5 out of 5 by from Wow. Overdelivered.Powering 2x Dayton audio 6 1/2" Bookshelf speakers, there could not be a better budget stereo setup. Blows my expensive name brand units out of the water. Parts Express customer service is absolutely top notch. I will be buying many more products.
Date published: 2015-06-29
Rated 5 out of 5 by from Fantastic Sound and Power !!!I bought one of these at the open box price and I would have been happy at twice the full price after using it. I've tried Bose 301's, Teac LS100 bookshelf and others. Any speaker I put on it sound really good with plenty of volume in my garage. I only used the supplied power block and thought it was good. I plan to try a higher power block but so far if I only used what came with it I would be happy. Bass and treble adjuster worked well, didn't get too hot and the sealed aluminum case will keep out garage dirt. I can't wait to get the 4 channel unit. If you are reading this, you're curious. Trust me, WAY WORTH THE PRICE !!!
Date published: 2015-06-18
Rated 5 out of 5 by from sound qualityThis little amp cranks! No blows windows but for its size its great sound.so many options for hookup.12 volt power is universal for camping.it pushes any speaker.I've got a pair of of pioneers with woofers replaced by parts express that thump.sound is incredible.for the price this is a great little amp.I have 4 of them they are that good for that price
Date published: 2015-06-17
Rated 5 out of 5 by from Smoking outdoor sound system powered by this amp!I had been reading the reviews on the LP-2020A+ and pulled the trigger last week when there was a $15.00 open box on Parts Express. I had picked up a pair of Niles OS-10 outdoor speakers at Goodwill for $10.00 and hooked the amp & speakers to my iPhone. I usually rip at lossless or very high bit-rate. Wow! The sound is amazing and very much loud enough to fill my backyard with great music. Highly recommend this little amp. You will not be disappointed. Oh, and the blue light around the volume is great when I'm playing music outside after sunset. Buy this!
Date published: 2015-06-07
  • 2015-08-03T06:54CST
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Product Q&A

Get your questions answered from other customers
who own this product or have experience with it.
If your question requires design or troubleshooting information,
please email tech@parts-expresss.com  for a prompt reply.
Lepai LP-2020A+ Tripath Class-T Hi-Fi Audio Mini Amplifier with Power Supply

can this amp be bridged to double the output. i'd like to use it as a small mono subwoofer amplifier

Asked by: kym53
These amplifiers cannot be bridged.
Answered by: MattP
Date published: 2015-07-07

Wanting to use this in a portable application w/battery. Can you recommend a battery rating to get 6-7 hours of use with a fully charged battery? Also, what product to you recommend to make this unit connect to MP3 device using Bluetooth?

Asked by: tc78130
A 7Ah SLA battery should last that long without a problem. We have plenty of Bluetooth receivers that will plug into this amplifier as well.http://www.parts-express.com/power-sonic-ps-1270f2-sealed-lead-acid-battery-12v-7ah--140-366http://www.parts-express.com/battery-powered-bluetooth-wireless-audio-receiver-with-power-supply-black--320-355
Answered by: MattP
Date published: 2015-06-29

15 Volt Supply? The chip is rated to 16V - anyone run one of these amps at 15V?

Asked by: Anynomouse
I think I answered my own question. They have an over-voltage circuit that is supposed to kick in at 14.4, but one user said it wouldn't run on 13.8V. 
Answered by: Anynomouse
Date published: 2015-06-22

I have 2 500 watt speakers would this work on this reciever?

Asked by: bmbmb
This will power them but your output will be limited. Overall output will be determined by the sensitivity of the speakers.
Answered by: MattP
Date published: 2015-06-03

can 2 of these be used in a motorcycle fairing with a 4 channel marine radio?(hooked to 12v)

Asked by: bob anderson
Yes, as long as they are not directly in the elements. They are not designed to get wet.
Answered by: MattP
Date published: 2015-06-01

my tablet dosen't put out enough power to hear well when hooked up to my truck stereo via 3.5 male to male cable. even when stereo is turned up all the way. this is mainly with downloaded audio books. what can i use between the two to amplifie, with a 12v

Asked by: Larm
Please contact our tech support for more help with this question, tech@parts-express.com or 800-338-0531 x1.
Answered by: MattP
Date published: 2015-05-26
  • 2015-08-03T08:38CST
  • bvseo_cps, prod_bvqa, vn_cps_3.1.5
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