“ For some time I've been looking for a decent piece of kit to travel with. Previously I tried a HeadRoom Portable Desktop amp/dac, but didn't like the overall sound, though the DAC was good. The Fostex, allowing digital output from an iPod or iPad to a high-quality DAC is more appealing, especially as it was reported to have a half-decent headphone amp. Something has to give in...” --Currawong
“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
“ ****Note**** As always, these are strictly my opinions. I try to present these products as honestly as possible and try to describe them as best as possible. As always, YMMV. ****NOTE**** FISCHER AUDIO MYSTIFY PORTABLE HEADPHONE AMP SPEC’S: Frequency “flatness”: +/- 0.5db Dynamic Range: 110 db Total Harmonic Distortion: 0.001% Intermodulation...” --LFF
“ Please bear with me, I'd consider myself still a noob when it comes to desktop DAC/Amps. Although I've heard a few DAC Amps in quite a few public headphone festivals, most aren't heard with my headphones nor my source tracks of music. And I'm still mostly learning from the gurus here in this forum and from Japan Head-Fiers. So this initial impressions will be somewhat...” --AnakChan
Built-in lithium ion charge pond / outside DC15V
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...
Frequency range: 10Hz-20kHz Amplitude-frequency responce (AFR) irregularity within the frequency range: 0.3 dB Dynamic range: 110 dB Harmonic distortions: 0.002 % Intermodulation distortion (CCIF) 0.006 % Interpenetration of channels at frequency 1 kHz: -73dB Rated input voltage: 0.5 Maximalinput voltage: 3.5 V Maximal output voltage at the non loaded output: 10 V Maximal undistorted power...