Posted 20 hours ago

AIYIMA A07 TPA3255 2.0 Channel Power Amplifier 300Wx2 HiFi Class D Stereo Digital Audio Amplifiers Sound Amp For Passive Speaker Home Audio DIY with 32V Power Adapter

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A: Please check our detail description as below ,Our A07 with a DC 32V power adapter,Use this power adapter,the A07 output is about 65-80W for per channel. They also had some other features I didn't really need, eg Bluetooth, sub crossover (sub can do that) etc. If there is any complaint, the unit is a bit crowded at the back, and because it is not very heavy, the cables can pull it on the desk, but it comes with nice rubber feet that keep it stable, and it has everything you may need for inputs and outputs, we have speaker outputs, and Bluetooth, RCA inputs, and a power input. AIYIMA A07 PRO vs Fosi Audio TB10D (89 USD vs 79 USD) – We have a similar shape and size, but A07 PRO has better features, a Bluetooth input with aptX HD, while TB10D has no Bluetooth inputs. The mono capability would seem to me to be most useful to people with a medium sized listening space with medium to high efficiency speakers who want to use the 48v power supply option to get medium to loud volume levels.

But here's where it gets tricky – if you assume the same scale for the volume knob, you're in for a surprise. Its NE5532 OPAs are DIP8 mounted and therefore easily replaceable (AOP OPA2604AP, OPA2134, MUSEO1/02/03, LME49720NA, LM4562, AD827AQ, etc). As always, you should pick the one that has the features you need, but A07PRO may be more spartan, but has a better overall sound, better control, better detail, less grainy, but also more punchy and with better driving power for speakers. In design, it is supposed to be subtle until about 2 o'clock on the dial and then it increases at a faster rate as you turn it toward full volume.The sound is extremely powerful, the unit works as intended, and regardless of the volume, it does not burn down. I don't need the tone/balance/EQ, and I can work around remote controls via using independent volume controls and a POOSR 4 Channel Stereo Audio Mixer. I thought I'd have to daisy chain from amp to sub to speakers, but instead, I can use the much tidier amp to speakers + amp (aux) to sub. I found the amplifier to be a lot like the Fosi V3 - apart from the noted Stereo/Mono feature, which I have not made use of. Unlike cheap class D amps that I have heard, I would describe the A07 on the warm side of neutral and vocals were incredibly well produced with no harshness.

To honor these points, a daily technological watch is carried out by our team composed of passionate and specialized people. I have a Nord coming, even their value line NC252 MP will have insanely better numbers than those amps will. If you look on the internet, there is a data sheet published that shows exactly how much power this amplifier has, and it is in line with other entry-level AMPs, you can check it here.We listened to more songs than those named in this playlist, but those are excellent for identifying a sonic signature. Even with the 36v power supply I can get to very loud levels in my workroom with my 87db efficient KEFs. The Fosi Audio BT20A Pro and Aiyima A07 are compact Class D stereo amplifiers, driven by the Texas Instruments TPA3255 chip.

budget connectors usually have thin and uneven circular spring tube with slots having burr from stamping and unknown plating which does not make or makes very little contact.

However, considering its features and the value for money, it seems like the Fiio BTA30 Pro offers a more versatile option with additional inputs and outputs. These TPA3255 based amps seem to have good bones in them, producing above average performance for peanuts.

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