“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
“ Price paid is without opamp and battry upgrades. Price with upgrades is $217 ” --Thing Fish
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...
Neco Soundlab is a ‘boutique’ manufacturer (selling only through eBay), of a neat little battery‑powered headphone amplifier that suits the pockets of those with budget restrictions, while still being able to please their ears! The Portable V2 Dual Mono Headphone Amplifier is intended to accept the signal from a computer soundcard or other modest source, and amplify it using a pair...
Furman HDS-6 Headphone Audio Distribution System Routes 4 Mono and 1 Stereo Signals to Eight HR6 Stations
Personal headphone mixing station