Joined in 2023 
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63 About this deal
So I love competition in the audio industry and I was very interested to see what Aiyima would do in response to this challenge and I am glad to see that the Aiyima A07MAX is a great response to Fosi Audio. The bottom-line is simple: this is not just an insanely good amp for the money, it is an insanely good amp. Can Upgrade Op Amp Chip: Adopts dual op amp chip,and the design of the op amp chip can be replaced,such as updated to OPA series, LM series, MUSES series, which can meet the needs of more audio enthusiasts.
If you use the PBTL method and connect the positive speaker terminals together, you will need a complicated switching circuit. Users can enhance or attenuate the high and low frequencies according to their personal preferences until they achieve the best sense of experience. I even swapped the DC adapters between the amplifiers (with appropriate volume adjustments), and the results remained consistent. 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. These TPA3255 based amps seem to have good bones in them, producing above average performance for peanuts.KLH Model Five can climb down nicely powered by A07 PRO, but the bass can be a bit overwhelming if I use the bass wheel past 3 o’clock. The 103 third parties who use cookies on this service do so for their purposes of displaying and measuring personalized ads, generating audience insights, and developing and improving products. The TPA3255 is a high-performance Class D power amplifier with Class D efficiency and true to high-end sound quality. Setting them to a neutral position is a breeze, and the feedback you get from these detents is pretty satisfying. I think the next logical step is for one of the Chinese manufacturers to a) solve the noted load dependency issue for frequencies above 10k; b) create an attractive and good-component built true monoblock option (with the power supply in-case with the amplifier) that would compete with the Hypex amps but at a lower cost; c) create a matching solid state preamp for the monoblocks with a high-quality volume control, 2-3 inputs, and a remote.
but it does not buzz or have any noise of itself (I’ve noticed this with some units, even with some LED lights in the past). Some may like the vent hole pattern on the top of the V3 - obviously both have the vent holes on the bottom and on the sides but the V3 vents on the top have a nice pattern ( though I do wonder about stacking components with the V3). 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. One thing to note is that the power adapter is incredibly large, bigger than the unit itself, and is quoted for 36V – 6.This small Class D Aiyima A07 MAX amplifier offers stereo as well as mono operation, so you can chain several A07 amplifiers together for extra power. I'd like to share my thoughts and experiences with these amplifiers, with the hope that it might assist someone who's trying to decide between the two.
Description: The TPA3255 is a high-performance Class D power amplifier with Class D efficiency and true to high-end sound quality. Cette image sonore creusée dans le sens de la profondeur éloigne les protagonistes de plusieurs mètres, ainsi l'orchestre ne joue pas dans votre salon mais à 10 ou 15 mètres, sur la scène comme il se doit.Focus on Bluetooth digital amplifiers, tube amplifiers, preamplifiers, headphone amplifiers, DAC audio and other HiFi audio equipment. Model : AIYIMA A07 MAX Product name:A07 MAX TPA3255 Power Amplifier Stereo Max Output Power(switch stereo mode)：300Wx2 / 4Ω（48V/12A） Mono Max Output Power(switch mono mode)：600W/ 2Ω（48V/12A） (R+ connect to speaker +, L+ connect to speaker -) Working. If Fosi can fix the speaker load dependency issue and release a true power amp, that will be a good thing.
It's worth noting that this setup isn't perfect because the Aiyima A07 came with a 36V 6A DC adapter, while the BT20A Pro had a 32V 5A adapter. For me in terms of listening, I enjoy using GE5654 and 6AK5 tubes in terms of the sound being not too warm and not too bright and for 6J1 tubes if you are looking for the warm sound. However we see Aiyima claim they use the same pot as the V3 on their MAX unit, yet refer to it as linear. I guess that setting the volume at safe max in mono mode would allow to use it as a pure small monoblock controller by trigger?
Even if you do ground it, you will be doing something which will do nothing as you are using a SMPS. But honestly, I'm not entirely convinced that compactness is a major advantage when it comes to amplifiers, at least not in terms of usability. Shifting our focus to the rear panels of both amplifiers, you'll find they both feature standard RCA connectors for input as well as a 3. If you happen to possess either of these amplifiers, I'd love to hear your thoughts and comments regarding their performance.
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