“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
“ Here is my personal review of HPBA-2S fully implemented by Qes Labs. But first I want to point out some things. -I come from the world of professional audio.I don't consider myself an audiophile in the true sense. I have always tried and continue to seek the maximum of transparency and neutrality coming off my sources. I did audio mastering for some years so you can imagine what kind of...” --fradoca
“ It really falls in between a portable and a desktop amp. Sounds excellent. A bit heavy, but a very solid build. A handy mini-usb input connects directly to my laptop without installing any driver. Tested with an Accuphase CP800 cd player, Beyerdynamic DT-880 and AKG K-271 studio. Sound is revealing, detail retreiving is impressive. Stravinsky's Royal March reveals an optimal soundstage...” --TheHighBuilder
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...