“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
“ I'm such a newb. Pretty sure I should have uploaded image for the PURE II from Vorzüge's website. I used the one I took. I hope that doesn't wreck this review. Coincidentally (and also quite obviously) this is my first time adding a new product. And, I tried posting this before, but got it by mistake, into the PURE I box. MODS: feel free to kill me or the old thread. Anyways,...” --shigzeo
“ Taking size, weight, shape, design, sound quality, and other pluses (EQduo, good looks, German engineering), this is up till now my ultimate choice (I STRESS: up till now) for portable amps. Bass boost is a dream comes true even for a non-basshead like me.............it raises the level of the bass fairly linearly from the very bottom to midbass without sacrificing any bit of the...” --productred
“ There is no entry for PURE II, so I have added this review to the original PURE, which I also love... just not as much. I did my best not to effuse about the PURE II at ohm image. I think I got away pretty clean. I did not get away from the PURE II though. And though I have several camera lenses to shoot rather meticulously for some relentlessly hounding magazines, I...” --shigzeo
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...