“This review is based on matching the Mini X with Hifiman He-500 Headphones. You may be reading this review, unsure what to make of this Amp, asking how can a cheap sub $200 amp offer the power needed for an expensive Headphone such as the Hifiman He-500? If you have done your homework you will find this is the stereo amp everybody is...” --fluidz
“ I tried this amp with a Sennheiser HD650 and I was not very impressed (I remember I was not very impressed when I tried it a couple of years ago). Maybe the tubes were not in good condition). But I did not try this amp as a speaker amp because I did not have them yet and neither an AKG K1000. An advantage is that you can use the amp both as speaker amp and phone amp. Anyway I...” --alexdemaet
UPA-200 represents a true breakthrough in audiophile-quality amplification. At last, a truly affordable stereo power amplifier that can satisfy the most discerning aficionado, and at the same, is affordable to anyone with a desire for real quality. Our advanced engineering and design techniques have resulted in an amazing new amplifier. Its rock solid performance and affordable price point...