“ The GOOD: -- Size: very small and pairs well with a J3, iTouch, Sony X-Series, iPod Classic or similar device. -- Battery life: as said before, simply amazing! -- Construction: very solid and well built. Great switches, with a firm feel and nice "click" to them -- Form Factor: Second to NONE! All of the inputs, outputs and switches are perfectly placed. --...” --SoulSyde
“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...
The New Headstage Arrow 4G is an innovative headphone amplifier that allows you to listen to high quality audio everywhere you go--in a sleek, ultra portable design. With an operation voltage of up to 12V and the best rail-to-rail operational amplifiers the Arrow is able to drive any headphones <600 ohms with authority. The sound is crisp and clean with defined highs and tight bass.