“ The Leben CS300X has made me re-think what's possible from a headphone amp in general, and tube amps in specific. While it has a highly musical, engaging sound, it's not the least bit tubey or syrupy - in fact it's astonishingly neutral and transparent. Due to its being push-pull, and transformer-coupled, it works well with a wide variety of headphones. It drove my LCD-2, DX1000, T1,...” --Skylab
“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
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...