AIYIMA A07 TPA3255 Power Amplifier 300Wx2 HiFi Class D Stereo Digital Audio Amp Mini 2 Channel Amplifier for Passive Speaker Desktop Bookshelf Home Theater System with DC 32V Power Adapter
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Availability:
Only 5 left in stock, order soon!
Arrives
Saturday, Jul 5
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Features
- This AIYIMA A07 small stereo amplifier adopts Texas Instruments TPA3255 high-performance low-distortion high-power Class D amplifier chip and NE5532 Dual op-amp chip,With lowest noise, distortion, clipping,Very Quiet,Runs Extremely Cool,Easy to set up. It's a simple but powerful mini amp for your stereo home speaker amplifier system
- 300W+300W Max Power Output 2.0 Channel HiFi integrated class D amp, Exclusively designed for the customers who pursue HiFi sound,Use powerful power adapter have High efficient max power output up to 300 Watt
- Two Audio input ways:3.5mm AUX analog Audio input or RCA analog Audio input(3.5mm port is also Aux Audio output interface,when 3.5mm AUX port as audio output,it can go to any active device:Speakers,Amplifier,powered Subwoofer ect.To create the 2.1 channel amplifier home audio desktop speaker amp system)
- Delicate and unique,The A07 mini power amplifier use the NE5532 Dual Op amp chips can be upgraded and replaced, such as updating to OPA series,LM series,and MUSES series,which can meet the needs of more audiophiles.Can used as bookshelf speaker amp/desktop amplifier/passive speaker amp and so on;use our A07 stereo amplifier, connected to your home audio speakers to form a perfect HIFI system, allowing you to liberate your ears in this noisy city
- Package with a DC 32V 5A Power Adapter for free,you can upgraded the powerful power supply to get the maximum 300W x2 power output, such as 48V/10A(Cannot use industrial power supply,and please choose the correct passive speaker power adapter to use)
Item Dimensions LxWxH: 6.06 x 3.94 x 1.57 inches
Voltage: 230 Volts
Manufacturer: YIMA TECH
Mounting Type: Speaker
Brand: AIYIMA
Item Dimensions LxWxH: 6.06 x 3.94 x 1.57 inches
Voltage: 230 Volts
Manufacturer: YIMA TECH
Mounting Type: Speaker
Brand: AIYIMA
Number of Channels: 2
Product Dimensions: 6.06 x 3.94 x 1.57 inches
Item Weight: 2.31 pounds
Item model number: A07
Is Discontinued By Manufacturer: No
Date First Available: July 8, 2020
Country of Origin: China
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, Jul 5
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
This is an amplifier that punches way above its price range and size. It is well built and looks great. It has tested very well for its technical performance (see Audiosciencereview's test report) and that is reflected in its sound performance. I am using it to drive Elac 6.2 Debuts, and it has plenty of headroom that I will never need. And I am using the 32V 5A power supply option, which means I am barely powering it to just over half of the amplifier's output potential. The amp runs very cool when driving my Elac 6.2s. I am using a Schiit Modi 3+/Magni 3+ stack to feed the amp. To take the sound to the "next level", I tried several op amps including one that was recommended by an engineer at Aiyima in a paper called "The OP Chip Can Use on AIYIMA A04 & A07". Obviously I tried the NE5532 that comes with it. This sounds great as it is. I tried the LM4562NA. This offered some improvement. I did not leave this one in long enough to characterize it, only that the sound was "better". I tried the OPA1656, which I feel actually degraded the performance. The op amp that made a significant improvement is the OP275GPZ. This is one that is recommended by the manufacturer as an op amp that offers "Better resolution, low frequency and sound field than NE5532". I found this to be very much true. I think by "sound field" they mean "sound stage" as that really did open up. There is a clear improvement in resolution. I also found the treble to be more refined which was not expected from the description from Aiyima. And it also took "boxiness" out of the vocals. I don't know if the boxiness originated from the amp or my speakers, but the 275 cleaned up the vocals and they are now simply excellent. If op amps were free, I would try some others that the paper recommends. But given that they are not, and I feel I have hit on one that yields a big improvement, I am done searching. Any others will either most likely be a step back or just offer marginal additional improvement. This is a great amp as it ships. Since the input stage op amps are socketed, you have the opportunity to "roll" them to adjust the sound to your liking as I described above. For me, I found the 275 to be a phenomenal choice. Based on my experience, I highly recommend this amp!
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Reviewed in the United States on October 3, 2021 by Bob P.
This Aiyima A07 amp produces very good quality sound to drive my 75W Klipsch Synergy B2 Speakers. It is a very minimalist design with an on/off toggle on the front and a big volume knob. On the rear are banana plug connectors that can also accept raw wire. To quickly connect and disconnect speaker wires I highly recommend banana plugs. I shared a pic of the plugs from the amp and the input to my speakers. The rear has two inputs, an RCA connector and a 3.5mm input. It's a black metal aluminum case that is very durable with good quality knobs. Choosing the proper AC adapter will make a huge difference in performance. Choosing the right adapter depends on your speaker setup. This A07 is very versatile. It can drive 4 or 8 ohm speakers and accept AC adapters with different voltage outputs. It will work with AC adapters that are 24v, 32v, 36v and 48v. A mismatched amp and speakers will result in poor audio quality. For example if your speakers are only 15W it may not work properly. To choose the right adapter look at your speaker specifications then use the table provided in the product description to see what adapter you need. to pair with the Aiyima A07 amp. For example my speakers are 8 ohm impedance, 75W output (see pic). So I went to the Aiyima table and I can see the 32V 5A adapter is what works with my speakers. That 32V 5A adapter will drive 65W with a maximum 70W. I do not want to go higher than 32V 5A because more power may damage my speakers. rated at 75W. If you have speakers rated at 100W or higher then you can use an AC adapter that is 36V, or 48V. So I have a perfectly matched AC adapter for my A07 amp and it works great connected to a Sony CD Walkman player. I connected the CD player using an RCA plug to 3.5mm adapter cable. I then tested the amp by adding a second MP3 player connected to the 3.5mm audio jack on the rear of the amp. In my test, there is no priority or override so both audio sources played through the amp. Doing this can damage speakers so you need to know NOT to connect two devices at once. As a precaution and good habit, connect one device at a time, and disconnect the other cable not being used. But having two types of inputs is good so you can mix and match devices and cable types. The other problem I encountered is cheap quality RCA cables. If if the cables are not good quality it can affect playback. This is caused by the cable quality, not the amp. Using a cheap RCA cable I could only get sound out of one speaker channel. When I replaced it with a better cable I got clear audio out of both channels. It can be poor connectors or poorly insulated wire inside the cable so avoid cheap dollar store cables. My final point is regarding playback of CD discs. i have some prerecorded music CD's from the 1980's that sound flat and not very dynamic. At first i thought it was the amp. But then I played a more recently recorded CD and the audio spectrum and range plays very clearly and crisp through the Aiyima A07 and my speakers. Original CDs made in the 80's were not always great and that's why they started selling remastered CD's in the mid 1990's. I mention this because the A07 has very good dynamic range and if your source of audio such as poor quality recording CD's or playback of MP3 files that are over compressed, you will not get the best results using this amp and your speakers. Ok hope this helps, I really like this amp!
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Reviewed in the United States on November 5, 2021 by ACTIONCAMFLIX ACTIONCAMFLIX