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expiredVishnuDatt posted Jan 02, 2024 04:24 AM
expiredVishnuDatt posted Jan 02, 2024 04:24 AM

AIYIMA A07 Class D 2-Channel Dual 300W Amplifier

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$60

$90

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Yima Top via Amazon has AIYIMA A07 Class D 2-Channel Dual 300W Amplifier (TPA3255) on sale for $59.99 when you clip the 25% off coupon on the item page. Shipping is free.
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Thanks to community member VishnuDatt for finding this deal.

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Written by slickdewmaster | Staff
  • Our research indicates that this offer is $3 lower (5% savings) than the next best available price from a reputable merchant with prices starting from $62.99.
  • Don't have Amazon Prime? Students can get a free 6-Month Amazon Prime trial with free 2-day shipping, unlimited video streaming & more.
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  • Please see original post for additional details & give the WIKI and additional forum comments a read for helpful discussion.

Original Post

Written by VishnuDatt
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Deal Details
Community Notes
About the Poster
Yima Top via Amazon has AIYIMA A07 Class D 2-Channel Dual 300W Amplifier (TPA3255) on sale for $59.99 when you clip the 25% off coupon on the item page. Shipping is free.
  • Note: Must be logged in to clip coupons; coupons are typically limited to one per account.
Thanks to community member VishnuDatt for finding this deal.

Editor's Notes

Written by slickdewmaster | Staff
  • Our research indicates that this offer is $3 lower (5% savings) than the next best available price from a reputable merchant with prices starting from $62.99.
  • Don't have Amazon Prime? Students can get a free 6-Month Amazon Prime trial with free 2-day shipping, unlimited video streaming & more.
  • If you're not a student, there's also a free 1-Month Amazon Prime trial available.
  • Please see original post for additional details & give the WIKI and additional forum comments a read for helpful discussion.

Original Post

Written by VishnuDatt

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Model: AIYIMA A07 TPA3255 Power Amplifier 300Wx2 HiFi Class D Stereo Digital Audio Amp 2.0 Channel Amplifier for Passive Speaker Home Audio (A07+DC 32V Power Adapter)

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Sort: Lowest to Highest | Last Updated 8/20/2025, 12:08 PM
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Top Comments

joeyrindone
125 Posts
76 Reputation
This is a great amp for the price. The TPA3255 is a bit of a beast. From crap outputs like a tv or a low/mid range motherboard there is some signal noise which is unfortunate. I'd recommend a DAC if you get this, also upgrade to a 48v PSU for another $25 or so. This is probably the most power out of a mini-amp you can get for under $100.

These are the specs from Texas Instruments website:

Total Output Power at 10%THD+N

315-W Stereo into 4 Ω in BTL Configuration
185-W Stereo into 8 Ω in BTL Configuration
600-W Mono into 2 Ω in PBTL Configuration

Total Output Power at 1%THD+N

260-W Stereo into 4 Ω in BTL Configuration
150-W Stereo into 8 Ω in BTL Configuration
480-W Mono into 2 Ω in PBTL Configuration

Note that you do have to upgrade the power supply to 48V if you want to get the 75w per channel, otherwise you'll be getting about 56w per channel out of the box with the included 32V PSU.

But 75W per channel at 8 Ω is still really good for an amp of this size and cost, it is similar to most low end receivers that cost $300 to $600 (Denon AVR-S760H for example)
MisterDude
440 Posts
90 Reputation
Oh suuuure it will output 300 watts. Right before it bursts into flames because you'd have to overvolt the sh!t out of it to obtain those numbers. I'm sure it's great for bookshelf speakers and very efficient larger speakers though.
racker15
333 Posts
186 Reputation
There's really no need to guess. Amir reviewed this model with extensive measurements [audiosciencereview.com]

With the included power supply (32V 5A) this baby puts out 77 Wpc @ 4 ohm and 48 Wpc @ 8 ohm. Thats pretty good for the price and size; signal to noise is not great though.

For the low-end, at 20 Hz, max power drops to 55W @ 4 ohm.

123 Comments

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Jan 02, 2024 03:19 PM
190 Posts
Joined Jan 2015

This comment has been rated as unhelpful by Slickdeals users.

Jan 02, 2024 05:25 PM
440 Posts
Joined Dec 2020
MisterDudeJan 02, 2024 05:25 PM
440 Posts
Quote :
300W+300W Max Power Output
Oh suuuure it will output 300 watts. Right before it bursts into flames because you'd have to overvolt the sh!t out of it to obtain those numbers. I'm sure it's great for bookshelf speakers and very efficient larger speakers though.
1
6
Jan 02, 2024 05:55 PM
125 Posts
Joined Apr 2010
joeyrindoneJan 02, 2024 05:55 PM
125 Posts

Our community has rated this post as helpful. If you agree, why not thank joeyrindone

This is a great amp for the price. The TPA3255 is a bit of a beast. From crap outputs like a tv or a low/mid range motherboard there is some signal noise which is unfortunate. I'd recommend a DAC if you get this, also upgrade to a 48v PSU for another $25 or so. This is probably the most power out of a mini-amp you can get for under $100.

These are the specs from Texas Instruments website:

Total Output Power at 10%THD+N

315-W Stereo into 4 Ω in BTL Configuration
185-W Stereo into 8 Ω in BTL Configuration
600-W Mono into 2 Ω in PBTL Configuration

Total Output Power at 1%THD+N

260-W Stereo into 4 Ω in BTL Configuration
150-W Stereo into 8 Ω in BTL Configuration
480-W Mono into 2 Ω in PBTL Configuration

Note that you do have to upgrade the power supply to 48V if you want to get the 75w per channel, otherwise you'll be getting about 56w per channel out of the box with the included 32V PSU.

But 75W per channel at 8 Ω is still really good for an amp of this size and cost, it is similar to most low end receivers that cost $300 to $600 (Denon AVR-S760H for example)
Last edited by joeyrindone January 2, 2024 at 10:14 AM.
6
1
Jan 02, 2024 07:30 PM
41 Posts
Joined Dec 2019
PurplePolice9019Jan 02, 2024 07:30 PM
41 Posts
Quote from joeyrindone :
This is a great amp for the price. The TPA3255 is a bit of a beast. From crap outputs like a tv or a low/mid range motherboard there is some signal noise which is unfortunate. I'd recommend a DAC if you get this, also upgrade to a 48v PSU for another $25 or so. This is probably the most power out of a mini-amp you can get for under $100.

These are the specs from Texas Instruments website:

Total Output Power at 10%THD+N

315-W Stereo into 4 Ω in BTL Configuration
185-W Stereo into 8 Ω in BTL Configuration
600-W Mono into 2 Ω in PBTL Configuration

Total Output Power at 1%THD+N

260-W Stereo into 4 Ω in BTL Configuration
150-W Stereo into 8 Ω in BTL Configuration
480-W Mono into 2 Ω in PBTL Configuration

Note that you do have to upgrade the power supply to 48V if you want to get the 75w per channel, otherwise you'll be getting about 56w per channel out of the box with the included 32V PSU.

But 75W per channel at 8 Ω is still really good for an amp of this size and cost, it is similar to most low end receivers that cost $300 to $600 (Denon AVR-S760H for example)
Is this good? Digital to Analog Audio Converter,
https://www.amazon.com/dp/B08V8KH...C2520FFBD2
1
Jan 02, 2024 07:47 PM
1,927 Posts
Joined Dec 2004
awdawgJan 02, 2024 07:47 PM
1,927 Posts
I've read somewhere that class D amps aren't great for powering transducers vs Class A/B amps. I'd be curious how this would power a pair of Earthquake transducers vs the current old school Rotel amp I have making them shake my couch now. Anyone have experience with this amplifier to power some tranducers/bass shakers?

I believe my old school rotel amp is rated somewhere around 100 WPC RMS at 4 ohms, I suspect the ratings for this are dynamic?
Jan 02, 2024 07:56 PM
712 Posts
Joined Jul 2013
mem4720Jan 02, 2024 07:56 PM
712 Posts
I'll second the good reviews. I bought the version with Bluetooth and sub line out for my deck speakers and tested in the house first. Worked great with a pair of Infinity R263 towers. It's on sale for $80 now.

AIYIMA A07 Pro TPA3255 Stereo Amplifier Bluetooth 5.2 300Wx2 HiFi Class D Amp 2.0/2.1 Channel Audio Power Amp for Speaker with Bass Treble Control& Line Output + Power Adapter (A07 PRO) https://a.co/d/2IKvajB
Jan 02, 2024 07:57 PM
194 Posts
Joined Feb 2008
mbacko1Jan 02, 2024 07:57 PM
194 Posts
I use this amp on a switched CD listening and phono setup to Wharfdale Diamond 225s in a stereo setup.and its excellent for what it costs. I use it with a Schitt Modi 3 DAC and it sounds pretty great.
They have the 3E on closeout right now for $99
https://www.schiit.com/b-stocks

If you want a cheaper DAC I've used this Prozor one on a gaming setup and its nice, but not as good as the Modi. Its $14.
https://www.amazon.com/gp/product...UTF8&psc=1

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Jan 02, 2024 08:13 PM
203 Posts
Joined Oct 2010
DC_NoleJan 02, 2024 08:13 PM
203 Posts
Quote from awdawg :
I've read somewhere that class D amps aren't great for powering transducers vs Class A/B amps. I'd be curious how this would power a pair of Earthquake transducers vs the current old school Rotel amp I have making them shake my couch now. Anyone have experience with this amplifier to power some tranducers/bass shakers?

I believe my old school rotel amp is rated somewhere around 100 WPC RMS at 4 ohms, I suspect the ratings for this are dynamic?
No they can handle them as long as they can actually supply the current needed (forget about the bogus rating on the box). There just isn't any extra headroom. You might want to look at a class D sub amp for your situation. I use one for my bass shakers.
https://a.co/d/3GVutyw

The cheap class D might not sound as good as an A/B for speakers. The new premium class D sounds very good with low distortion.
Jan 02, 2024 08:13 PM
333 Posts
Joined Jul 2007
racker15Jan 02, 2024 08:13 PM
333 Posts

Our community has rated this post as helpful. If you agree, why not thank racker15

There's really no need to guess. Amir reviewed this model with extensive measurements [audiosciencereview.com]

With the included power supply (32V 5A) this baby puts out 77 Wpc @ 4 ohm and 48 Wpc @ 8 ohm. Thats pretty good for the price and size; signal to noise is not great though.

For the low-end, at 20 Hz, max power drops to 55W @ 4 ohm.
Last edited by racker15 January 2, 2024 at 12:18 PM.
2
Jan 02, 2024 08:41 PM
7,253 Posts
Joined Dec 2006
big mikeJan 02, 2024 08:41 PM
7,253 Posts
Seems like assuming you want something close to full power you'd be better off buying it direct from their site with a bigger PSU included since the one at this price is only going to get you about half the claimed power.
Jan 02, 2024 08:45 PM
143 Posts
Joined Feb 2012
rsday75Jan 02, 2024 08:45 PM
143 Posts
I use 2 of these.
One powers rear surrounds in a 7.3.4 system. One powers Zone 2 on my covered porch. They work great for the use case.
Jan 02, 2024 08:49 PM
478 Posts
Joined Jun 2017
CharleyWJan 02, 2024 08:49 PM
478 Posts
I got the Fosi equivilent of this, and wish I got one with tone control.

I use it for a jump from 9.2 to 11.2 surround channels, I thought Audyssey calibration would make my height channels even but my Fosi class D has more bass and recessed highs
1
Jan 02, 2024 08:51 PM
211 Posts
Joined Nov 2014
jaydillyoJan 02, 2024 08:51 PM
211 Posts
1
Jan 02, 2024 09:27 PM
56 Posts
Joined Apr 2020
EricLikesDealsJan 02, 2024 09:27 PM
56 Posts

Our community has rated this post as helpful. If you agree, why not thank EricLikesDeals

I have this driving a set of large tower speakers. It's really great and super small! Just and FYI I got this for $64 early December. They hiked the price up and added the coupon so don't feel rushed this is pretty much the normal price.
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Jan 02, 2024 09:35 PM
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natofrombombatoJan 02, 2024 09:35 PM
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$59.99 after coupon

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