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Audio Amplifier Board, Yeeco 2.1 Channel 2x80W+100W Digital Power Amplifier Board DC 12-26V 15V 19V 24V Car Audio Stereo AMP Module with Volume Knob 3.5MM Audio Input Dual Power Supply Input

3.6 3.6 out of 5 stars 447 ratings
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Item dimensions L x W x H 3.94 x 1.18 x 2.76 inches
Voltage 24 Volts
Manufacturer Yeeco
Mounting Type Surface Mount
Brand Yeeco
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Audio Amplifier Board, Yeeco 2.1 Channel 2x80W+100W Digital Power Amplifier Board DC 12-26V 15V 19V 24V Car Audio Stereo AMP Module with Volume Knob 3.5MM Audio Input Dual Power Supply Input

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Customer reviews

3.6 out of 5 stars
3.6 out of 5
447 global ratings

Customers say

Customers like the power and value of the electronic component amplifier. For example, they mention it has a great amount of power and is great for the price. That said, opinions are mixed on sound quality, performance, and quality.

AI-generated from the text of customer reviews

4 customers mention4 positive0 negative

Customers are satisfied with the power of the electronic component amplifier. They mention that it has a great amount of power for the price and that it is adequate for their needs.

"...It has a great amount of power for $20 and the sound quality is very acceptable for this price...." Read more

"This works as advertised. It's a great little amp for creating your own system on the cheap...." Read more

"...This unit performs well, very efficient, plenty of power, great sound quality. Make sure your power supply is sufficient (15 - 20vdc, 3 - 10 amps)...." Read more

"...like it was decent quality when I first hooked it up the power seemed good and adequate for what I needed I was happy at first and then after five..." Read more

4 customers mention4 positive0 negative

Customers like the value of the electronic component amplifier. They say it's great for the price.

"...amp with more features, but definitely, this is the best basic bang for your buck." Read more

"Great amp for the $$$" Read more

"Great value, great sound..." Read more

"This thing is great for the price!..." Read more

17 customers mention8 positive9 negative

Customers have mixed opinions about the sound quality of the electronic component amplifier. Some mention that it has great sound, almost no noise when nothing is playing, and plays music in the whole room. Others say that the sound is a little echo-y, but still better than built-in speakers. The noise is worse when they are touched, and the bass is muffled and terrible. The amp picks up the RF noise even when the BT module is not connected to the device, and there is a loud hiss coming from the speakers when no music is playing.

"Amp sounds good with a 50w car speaker and a home theater sub but cuts out." Read more

"...I know it is limited in channels and sound quality, but it works just fine from red/yellow from my TV and a bluetooth receiver that I have...." Read more

"...rooms and thus when I have Alexa play everywhere, it's a better whole house sound. Note: as it states, it doesn't come with a power supply...." Read more

"...2 complaints. First complaint is the fact you can't control how much bass is going to the full range speakers...." Read more

9 customers mention6 positive3 negative

Customers are mixed about the performance of the electronic component amplifier. Some mention that it performs well, is very efficient, and has great sound quality. However, others say that the stereo mob doesn't seem to function properly and some came defective with one channel not working.

"...If you want an easy, functional amp, then you found it.The 3.5mm aux allows for almost any option...." Read more

"...order two more of these, and both of them came defective with one channel not working. Such a disappointment...." Read more

"Worked great the first 5 or 6 times used. Now there is a loud hiss coming from speakers when no music is playing...." Read more

"...This unit performs well, very efficient, plenty of power, great sound quality. Make sure your power supply is sufficient (15 - 20vdc, 3 - 10 amps)...." Read more

5 customers mention3 positive2 negative

Customers are mixed about the quality of the electronic component amplifier. Some mention that the levels and quality are good considering the inexpensive speakers they used, while others say that it's poor quality and the soldering is pretty bad. The terminal connections are now loose.

"This is a review for the 2x50w + 100w board. It is excellent, especially for its small size. Almost no noise when nothing is playing...." Read more

"...Also, the soldering is pretty bad. The terminal connections are now loose. Too bad the return window is only 30 days." Read more

"...The levels and quality are good considering the inexpensive speakers I used...." Read more

"Quality Control of this product is horrible. Impossible to terminate the speaker cables because the output terminals were installed backwards...." Read more

3 customers mention0 positive3 negative

Customers are dissatisfied with the distortion of the electronic component amplifier. They mention that the bass is very distorted and the nuts and heat sink are loose.

"...also the subwoofer Channel if you want to call it that is highly ridiculously distorted you pretty much can't use it like if you want any type of..." Read more

"...delivered and did not have knobs or lock nuts and heat sink loose and bent. I'm done buying Yeeco Every time I buy it's always like this...." Read more

"Crap bass. Very distorted..." Read more

Poor Quality
1 Star
Poor Quality
Quality Control of this product is horrible. Impossible to terminate the speaker cables because the output terminals were installed backwards. Termination ports are facing the opposite side. Pictures attached.
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Top reviews from the United States

Suic1d3
5.0 out of 5 stars Well worth the money and works great!
Reviewed in the United States on October 11, 2018
Verified Purchase
This works surprisingly well. My Logitech 2.1 sound system did not output to the left channel. My friend cut out the old control board and amp, and rerouted all the wires to this amp.

It has a great amount of power for $20 and the sound quality is very acceptable for this price. If you want an easy, functional amp, then you found it.

The 3.5mm aux allows for almost any option. I know it is limited in channels and sound quality, but it works just fine from red/yellow from my TV and a bluetooth receiver that I have.

Maybe in the future I'll try out a more powerful amp with more features, but definitely, this is the best basic bang for your buck.
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Mazdarocket49
4.0 out of 5 stars A lot more powerful than expected!
Reviewed in the United States on December 30, 2018
Verified Purchase
I haven't checked the actual output of the board but I would be willing to bet it is putting out more than advertised. I have only
2 complaints. First complaint is the fact you can't control how much bass is going to the full range speakers. You can the volume but not the bass or treble. A good crossover might be recommended. Second complaint; the heat sink is mounted by a single screw. After I pushed the board pretty hard for a few minutes, the heat sink became loose. I had to remove it. Clean and reapply joint compound before reinstalling the heat sink. I also applied a small amount of epoxy to one end of the heat sink after I had reinstalled it to make certain it couldn't move in the future.
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Amazon Customer
3.0 out of 5 stars Okay...
Reviewed in the United States on September 12, 2017
Verified Purchase
Amp sounds good with a 50w car speaker and a home theater sub but cuts out.
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Amazon Customer
1.0 out of 5 stars Horrible hissing after a few uses
Reviewed in the United States on March 21, 2019
Verified Purchase
Worked great the first 5 or 6 times used. Now there is a loud hiss coming from speakers when no music is playing. The volume pots seem to be the issue as the noise is worse when they are touched. I have used 12v 19v and 24v power supplies as well as batteries all with the same results. Also, the soldering is pretty bad. The terminal connections are now loose. Too bad the return window is only 30 days.
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buyerofmanythings
5.0 out of 5 stars Very small size and excellent performance for the 2x50w + 100w board.
Reviewed in the United States on November 26, 2017
Verified Purchase
This is a review for the 2x50w + 100w board. It is excellent, especially for its small size. Almost no noise when nothing is playing. The knobs are all volume knobs. One for the left and right volume, one for the bass volume, and one for overall volume. This allows you to adjust the relative volume of your sub and satellite speakers to correct for different efficiency levels. My only complaint is that it does not reject RF noise very well. I tested this with two Bluetooth boards. Both boards worked fine with another amp, but with this amp one of the Bluetooth boards generated a lot of RF noise and the amp did not reject it. The amp picked up the RF noise even when the BT module was not connected to the inputs. So, it was purely RF noise and not on the signal lines. The other BT board did not generate any RF noise and sounds amazing. My testing was done with 5s lithium ion batteries for the amp at about 18v and an isolated 12v power supply for the BT boards.
One person found this helpful
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Lonni W
2.0 out of 5 stars Pair this with Alexa and a couple speakers to really enjoy your music
Reviewed in the United States on December 20, 2017
Verified Purchase
This works as advertised. It's a great little amp for creating your own system on the cheap. I paired this with an Alexa device (Amazon Echo) via the aux output on the echo and the input on the card. This gave me an amp-ed echo. I ran it to two ceiling speakers ($38 each) and a wall sub ($40). The levels and quality are good considering the inexpensive speakers I used. But now the echo plays music in the whole room on better than her tiny speaker. I plan to do this in multiple rooms and thus when I have Alexa play everywhere, it's a better whole house sound. Note: as it states, it doesn't come with a power supply. I found a 5-pack of 12v (transformer) plugs/cords here on amazon for under $20. (also found one for 50 cents at my local thrift store). I wouldn't have minded finding an 18-24v to power this, but the 12v really does well.

**Edit**
Ok, so I did order two more of these, and both of them came defective with one channel not working. Such a disappointment. When it works, this is a 5-star in my opinion. But since I've now bought 3 and only 1 worked, I'm lowering it to 2 stars. If you're patient and don't mind the return process, this can be a great option. But getting defective products stinks!
5 people found this helpful
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VPD lab
5.0 out of 5 stars great sound quality
Reviewed in the United States on August 27, 2017
Verified Purchase
About the controls ... left to right. 1) L - R output level, 2) Sub level, 3) Master gain all channels. This unit performs well, very efficient, plenty of power, great sound quality. Make sure your power supply is sufficient (15 - 20vdc, 3 - 10 amps). Well done Yeeco :)
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Stickx911
4.0 out of 5 stars but still better than built in speakers
Reviewed in the United States on July 16, 2017
Verified Purchase
Sound is a little echo-y, but still better than built in speakers
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Top reviews from other countries

Kedia
5.0 out of 5 stars The sound quality is very very crispy digital like high quality AV Receiver.
Reviewed in India on June 11, 2020
Verified Purchase
I used this product with Bluetooth module & high bass Sub-woofer. Bluetooth module was connected by different Power supply to stop humming noise from this amplifier, and on this amplifier I have used 12 V 5Amp Smps. This amplifier works more better than my JBL Sound Bar and the main point is that you can control the Bass, high/mid frequency stereo speakers and total volume individually with the seperate volume controllers.
Customer image
Kedia
5.0 out of 5 stars The sound quality is very very crispy digital like high quality AV Receiver.
Reviewed in India on June 11, 2020
I used this product with Bluetooth module & high bass Sub-woofer. Bluetooth module was connected by different Power supply to stop humming noise from this amplifier, and on this amplifier I have used 12 V 5Amp Smps. This amplifier works more better than my JBL Sound Bar and the main point is that you can control the Bass, high/mid frequency stereo speakers and total volume individually with the seperate volume controllers.
Images in this review
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One person found this helpful
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David G Sloan
5.0 out of 5 stars Amazing little amp with big clean sound.
Reviewed in Canada on December 3, 2017
Verified Purchase
Just ordered it because it was so small with big numbers for output. Hooked it to a 12v 5a computer adapter and a 10 inch sealed sub and a couple of studio monitors. Cranked the two right knobs and adjusted the left for the monitors. Plugged in a Logitech Bluetooth adapter and selected Abbey Road to check the bass. Wow = clean punch and clear as the Pink Floyds Dark Side of the moon. Held the board close to the equipment but did not notice any hum. Like the full ground shield as the bottom layer of the board. Runs cool even after an hour of listening.
One person found this helpful
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SN
4.0 out of 5 stars Pretty good for $30
Reviewed in Canada on January 20, 2018
Verified Purchase
Background

I have an Altec Lansing InMotion im7 ipod speaker whose built-in amplifier started to flake out (a known issue with that model). I have always liked the sound of the speakers enough that I didn't want to just recycle the unit as e-waste. After I opened up my speaker unit, I found that it had stereo drivers with a separate subwoofer, so I knew I needed a 2.1 board that could power a passive sub.

So I found this Yeeco board. I already have a Yeeco knob-style amplifier and have been happy with it so I gave this one a spin. The board is way smaller than my original Altec Lansing board (also a class D amplifier), but this a $30 board, so expectations should be managed accordingly. Getting the amp to work my old was pretty much a snap, and it sounds good. For power, I just used the 17V AC adapter for my speaker without issue. The biggest drawback is a faint hiss when there's no signal present, but you have to really listen for it. If you're picky, it'll be a dealbreaker. For me, it was a minor thing, as you can't hear it when it's playing music.

In terms of whether you should buy this -- if you don't need to drive a passive subwoofer, you should get a simple 2.0 stereo amplifier board instead. The sub out is NOT a simple line out to a powered sub, and that could be problematic if you're trying to do that. If a 2.1 amplifier is what you really need though, this board is a great buy for the price.

The Good Parts

* Controls for stereo gain (it is not a balance knob), bass gain and master volume
* Standard 12V barrel connector
* Has an alternate power connector and a three pin alternate audio input if you want to wire your own switch into a custom case
* Screw terminals work well
* Sound is pretty good
* Can get pretty loud (ymmv, depends on your speakers)
* On board LED to indicate that power is on
* 50W to the left and right channels, 100W to the passive sub channel
* Easy to set up

Could Be Better

* Faint hiss when no signal, but most people won't notice
* Design of the board might be difficult to retrofit into an existing speaker chassis
* Popping sound on power on, regardless of what the master volume is set to
* No power switch (turns on once power is plugged in) - you can add your own by using the alternate power terminal
* AC adapter not included
* Knobs are cheap looking, but expected for the price
* No alternate pin connector for the LED
* Might be hard to find a pre-made case for it (is a non-issue if you're not looking to put it in a case)
* If you can't change equalization settings on your music sources, your mileage may vary in terms of whether you can fine tune the sound to your tastes
3 people found this helpful
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danny
4.0 out of 5 stars Good amp tested by an audiophile!!
Reviewed in India on October 15, 2019
Verified Purchase
Review From an auiophile.
You get the same on aliexpress at a cheaper rate and reason why i got it here is delivery time, amazon shipped next day.

The amp out of the box is well built and performs well.
I used a 24v 6A power supply for giving it the best power output.

Make sure you are connecting your speakers in series or parallel based on the ohm rating on ur speakers 4 to 8 is what the amp can handle.

The highs and mid is absolutely fantastic. The bass however is good and punchy but you can hear content on the bass till like 4000hz, use a filter seperately to cut off the mid highs.

I ran at 90% vol for like 3 hrs straight and no issues.
Customer image
danny
4.0 out of 5 stars Good amp tested by an audiophile!!
Reviewed in India on October 15, 2019
Review From an auiophile.
You get the same on aliexpress at a cheaper rate and reason why i got it here is delivery time, amazon shipped next day.

The amp out of the box is well built and performs well.
I used a 24v 6A power supply for giving it the best power output.

Make sure you are connecting your speakers in series or parallel based on the ohm rating on ur speakers 4 to 8 is what the amp can handle.

The highs and mid is absolutely fantastic. The bass however is good and punchy but you can hear content on the bass till like 4000hz, use a filter seperately to cut off the mid highs.

I ran at 90% vol for like 3 hrs straight and no issues.
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14 people found this helpful
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Kim Foster
5.0 out of 5 stars Powerful and power hungry!
Reviewed in Canada on April 27, 2019
Verified Purchase
Small footprint for hidden system (I put mine on top of the cabinets in the kitchen), wet surprisingly powerful and sound clarity is quite good considering the price point. Don't expect anything remotely close to audiophile sound reproduction, but hooked to gold speakers from a dead stereo, you can salvage yourself a great sound system for dead cheap! It is power hungry though so don't skim on the power supply!
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