Upgrade AIYIMA A07 Premium TPA3255 Power mini Amplifier 4 Ohm 300Wx2 HiFi Class D Integrated Amp 2 Channel Stereo Amplifier for Passive Speaker Home Audio with DC 32V Power Adapter

Works well feels like a good piece of hardware. I bought a aux to Bluetooth converter for about £15 so maybe look for a version with an inbuilt one?

Great little amp, actually drives a very large speaker with a VOLT 10" Bass unit.

Can’t really tell the difference between the fantastic old a07 very marginal difference. However this one sometimes “pops” the speakers on turn off which isn’t good but I am running it on a GAN 48v power supply

Effective power in a small package with a lovely warm sound. Have this hooked up to WiiM pro plus with a couple of Wharfedale satellite dx-3s and a Cambridge subwoofer via a RCA to 3.5mm jack. Makes my home-office desk a tolerable place!

Affordable and sounds great

Very impressed with this unit. Compared this to my Fosi Audio V3 . Used same 48v 5A power supply for both. Tweaked the op amp set up, swopped out the supplied 5532’s for some OPA 2604’s. Personal preference, for a wider soundstage, warmer sound. But worth playing around with these, as fairly cheap to do. The A07 just has more grunt compared to the V3 , sounding more forward to my ears. But sound is a personal thing. If you want to connect a subwoofer, get a 3.5 mm stereo to mono plugged in the back first. Great little amp, the sound will fill a big room with the bigger psu. Look for discount vouchers from Yima store also, can come in under £70. Bargain ! Connected to Wiim Mini Streamer, Topping E30 DAC, Aiyima T6 Pro pre amp, Dali Spektor 2’s.

For the cost the amp works great. Only drawback is you need to buy another power supply to get the full power of the amp. Only tested it with the supplied power supply, so far.

Prodotto validissimo, ma io avevo la necessità dei controlli di tono.

Bon rapport qualité prix! Surpris par sa puissance par rapport à sa taille. Bonne qualité sonnore sans être exceptionel.

Soy un audiófilo. Tengo un amplificador de potencia DMA-200 espectral (el modelo actual es de $ 400,000mx) que se arruinó, por lo que estaba buscando un amplificador de potencia barato para poder usar mi sistema de altavoces Magnepan Mini Maggie ($ 50,000mx) a un nivel degradado. Tengo auriculares electrostáticos Koss ESP/950 (~ $ 20,000mx), y escucho música de muy alta resolución: DSD256, que en mis auriculares Koss suenan más detallados que DSD128 en comparaciones A/B. Tenía bajas expectativas de un amplificador de potencia de Clase D, ya que leía que los AMP de Clase D eliminan las altas frecuencias en la música. Este amplificador de potencia A07 (<$ 2000mx) cuesta menos que incluso cualquiera de mis cables, la mayoría de los cuales son audiococitos. Mi DAC es un RME ADI-2 Pro (~ $ 46,000mx), que reproduce con precisión frecuencias de más de 90 kHz. Las mini maggies son precisas hasta aproximadamente 40 kHz. El Koss es preciso a aproximadamente 35 kHz. El Koss, conducido directamente del ADI-2 Pro, suena un poco mejor que las mini Maggies impulsadas por el A07. Cuando el DMA-200 espectral funcionaba, los Mini Maggies rivalizaron los auriculares Koss, pero la diferencia con el AMP A07 es increíblemente pequeña. Y como puede ver por las diferencias de precios, el A07 es realmente sorprendente. También quería mencionar cómo estoy alimentando el A07. Tengo un suministro de energía de laboratorio que estoy ejecutando en serie para duplicar el voltaje. He intentado de 30 V a 45V. Los Mini Maggies requieren mucha potencia, y son mejor conducidos por un amplificador de clase A como el DMA-200. Encuentro que conducir el A07 a 40+V da mejores resultados que a voltajes más bajos. La fuente de alimentación de 32 V/5A que vino con el A07 funciona muy bien, pero recomiendo una fuente de alimentación lineal de mayor voltaje para obtener mejores resultados.

This is the third Class D cheapy amp I've bought. The earlier 2 were the Fosi BT30E and the Sabaj A10a (1st gen). The Fosi sounded 'harsh' on some tracks I played. So I bought the MA12070 Sabaj A10a which had a warmer sound. I'm running Elac Debut B6 (not 6.2). I also have an old Sony 12" subwoofer that I sometimes turn on. But only for booms or doof; not for normal listening/watching TV. The Elacs go deep enough for most purposes. The earlier amps had features I thought were critical; remote control, tone/bass/EQ controls, dedicated sub out. They also had some other features I didn't really need, eg Bluetooth, sub crossover (sub can do that) etc. But I've thrown all that out for the pure, balanced, sound quality (to my ears) of the A07. I've tested to the best of my ability using basic sound meter testing to ensure equal volumes and A/B switching. And even tried many, many permutations of settings for the Fosi and Sabaj. But no matter what settings I choose for the other amps, when I switch to the A07, which only has on/off, it sounds better to my ears. Also, I was pleasantly surprised that the 3.5mm aux on the A07 can be used as an active sub out. 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. So, the A07 is it for now. 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. TLDR: If you are looking at other amps around this price range, don't hesitate. Give the A07 a go.

The AO7 2-channel power amplifier has become a classic in the "ChiFi" budget audiophile universe. This new "Premium" edition has made an already great value even better. Aiyima has redesigned the amp with better quality internal components, enhanced heat dissipation, a better layout for the rear side connections, and improved cosmetics. It still has all the original virtues, with plenty of power for even power hungry speakers, great sound with no noise and highly detailed transparent sound, a pre-out and a volume control, user-changeable op-amps, etc. You can push even more power by using a 48v power supply, but I am finding the stock lower voltage PSU is all I need. I can't get over how well these little powerhouses stay cool to the touch even after a full day at high volume. I have one of these running a near field desktop set-up, and I have dedicated another to Atmos height speakers in my home theater. I have already ordered a third AO7 Premium for a 2 channel music system in my reading room, and I expect I won't stop there. The A07's are outperforming (and therefore replacing) much more expensive amplification I have owned and appreciated for years. These tiny amps are certainly the most bang for the audio buck you are ever likely to find. Highest possible recommendation!