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AIYIMA A07 Class D 2-Channel Dual 300W Amplifier

$60

$89.99

+ Free Shipping

+58 Deal Score

63,783 Views 124 Comments

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 Edited January 4, 2024 at 06:06 AM by

Aiyima A07
25% Off Deal Note: must clip coupon

https://www.amazon.com/AIYIMA-A07...B08CJZGT6H

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Created 01-01-2024 at 08:24 PM by VishnuDatt

in Audio / Video (4)

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124 Comments

$60

$89.99

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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)

Deal History

Sort: Most Recent

Post Date	Sold By	Sale Price	Activity
06/05/24	Amazon	$55.99	0
04/09/24	Amazon	$50.39	0
03/15/24	Amazon	$51 popular	28
04/07/23	Amazon	$64.99	25
01/16/23	Amazon	$50 frontpage	111
11/02/22	Amazon	$70 frontpage	133
07/12/22	Amazon	$63.99	4

Current Prices

Sort: Lowest to Highest | Last Updated 6/15/2024, 09:21 PM

Sold By	Sale Price
Amazon	$79.99

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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)

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.

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.

xtp

Joined Aug 2013

L10: Grand Master

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xtp

01-04-2024 at 04:12 PM.

Quote from AvidBuyer

How much of an upgrade over https://www.amazon.com/Moukey-Blu...B08H4R221Z ?

These f'n suck. Don't buy this, bad design, very low sinad.

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xtp

Joined Aug 2013

L10: Grand Master

9,162 Posts

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xtp

01-04-2024 at 04:14 PM.

Quote from xen-xi

Do you really notice a difference with another opamp? How could you even notice such a slight difference in sound? I was thinking about trying it, but I heard there isn't much difference in sound.

I bought a set of lm4562 just for fun because they're cheap. I could not hear the difference, there was a pro guy on the forum who did actual measurements, it improved the sinad by a hair, but honestly it's within margin of error.

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leo_1999

Joined Apr 2016

L4: Apprentice

390 Posts

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leo_1999

01-04-2024 at 04:16 PM.

Does it have Bluetooth?

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runner0382

Joined Aug 2006

L9: Master

4,173 Posts

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runner0382

01-04-2024 at 04:27 PM.

Quote from CharleyW

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

I recommend the Fosi Audio TB10D. Same chipset, Treble and Bass controls.

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runner0382

Joined Aug 2006

L9: Master

4,173 Posts

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runner0382

01-04-2024 at 04:30 PM.

Quote from xtp

Don't buy that one, get their 20pro, it has better layout.

Sure, for $30 more. The TB10D is as good as any other $65 amp powering mid priced bookshelves.

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xtp

Joined Aug 2013

L10: Grand Master

9,162 Posts

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xtp

01-04-2024 at 04:46 PM.

Quote from runner0382

Sure, for $30 more. The TB10D is as good as any other $65 amp powering mid priced bookshelves.

For $65, yea it's fine, but it's $80 right now.

The 20pro also goes on sale for $80.

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dbss11

Joined Aug 2011

L4: Apprentice

356 Posts

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dbss11

01-04-2024 at 04:50 PM.

Quote from FaithfulMustang5057

This is a great little amp, i use it on my desktop connected to 2 bookshelf speakers and a sub. But it's not really much of a sale, the standard price is $65, not $90, so its really just five bucks off

How do you connect your sub to this?

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runner0382

Joined Aug 2006

L9: Master

4,173 Posts

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runner0382

01-04-2024 at 05:59 PM.

Quote from xtp

For $65, yea it's fine, but it's $80 right now.

The 20pro also goes on sale for $80.

Got it

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nowhere

Joined Nov 2011

L4: Apprentice

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nowhere

01-04-2024 at 06:04 PM.

Quote from dbss11

How do you connect your sub to this?

You would need a couple of adapters from amazon. male 3.5mm to female coaxial rca. But, like I said before, the only amp that I've found with a true sub-out, is the Arylic b50 se.

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killerrabbit1961

Joined Apr 2017

L6: Expert

1,288 Posts

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killerrabbit1961

01-04-2024 at 07:34 PM.

Quote from brandonross

The link that matters:
https://www.audiosciencereview.co...ier.18984/ [audiosciencereview.com]

This shows it against many other devices and just giving clean power at typical usage:
https://www.audiosciencereview.co...ng.102789/ [audiosciencereview.com]

At 5W it's .008% THD, and with larger speakers that's almost 90db. You don't need 100W with large speakers. This thing tops out at 48W with the included power supply

What does the size of the speaker have to do with it? What matters is the efficiency of the speaker, and there are speakers of both high and low efficiency at all size ranges.

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Frank_Nitty

Joined Jul 2016

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Frank_Nitty

01-04-2024 at 08:14 PM.

Somebody send me the memo when this comes back down to $50 again, lol

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brandonross

Joined Jan 2015

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182 Posts

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brandonross

01-05-2024 at 06:53 AM.

Quote :

Quote from killerrabbit1961

What does the size of the speaker have to do with it? What matters is the efficiency of the speaker, and there are speakers of both high and low efficiency at all size ranges

If you're trying for wide frequency response it's far easier to move more air with a large driver and enclosure. Sure you can make an efficient single-frequency driver, but that's not our goal here. The speakers I have connected to this go down to about 35hz and they sound great. Most smaller speakers that are more efficient are because they crop out the lows.

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crypto2k2

Joined May 2013

L3: Novice

219 Posts

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crypto2k2

01-05-2024 at 06:31 PM.

I have four 8 ohm in ceiling speakers. Can I power them with this amp?

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eddiesxb

Joined Jul 2022

L3: Novice

291 Posts

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eddiesxb

01-06-2024 at 12:05 AM.

Quote from crypto2k2

I have four 8 ohm in ceiling speakers. Can I power them with this amp?

You can power 2 of them. This is only a stereo (2 channel) amp. You would need 2 of these to power all 4. (Assuming that you have an avr with pre-outs for each speaker, which most do.) 1 for front L+R and 1 for rear L+R. I just purchased the Fosi V3 (with the upgraded 48v power supply) which is similar to this to power the rear height speakers in my system, as my Denon X3800 will process 11 channels but only power 9. I also purchased the Iot relay (link below) to trigger it on as I just want to set it up without needing to turn it on and off manually every time I power on the system after the calibration.

https://www.amazon.com/Iot-Relay-...KNSOL76NXP

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slicksnails

Joined Jun 2016

L3: Novice

123 Posts

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slicksnails

01-06-2024 at 06:21 AM.

Can anyone tell me what I need to hook two of my old Boston Acoustics speakers up to my laptop? Use case is really just conference call audio and light music listening.