“Used with studio monitors and Beyerdynamic DT-990 250 ohm headphones. Nothing really bad to say about this DAC/Amp. The build quality is high, size is small, it drives all headphones I tested it with well. No flaws in the audio quality, looks good, gives you a volume control not only for your headphones, but for your speakers too which is nice if you use studio...” --spittis
“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
“This small desktop amp fulfills the need for an unobtrusive device to be used at work. It is small enough to fit on my workstation and the simple design is not distracting to myself or anyone around me. I used it initially to drive my ATH-M50Ws but have recently upgraded to Audeze EL-8Cs. There is no issue in driving either headphone, but they do make the Audeze EL-8Cs sing. ...” --bearcat1986
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...