“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
“ BACKGROUND A bit of information about Shanling excerpted from their Website: Shenzhen Shanling Digital Technology Development Co., Ltd. is a joint-venture high-tech enterprise specializing in research and development, manufacture, marketing and sales of audio products. Shanling began as a developer of audio products in 1988, producing its first...” --nmatheis
“ I bought this amp. I had auditioned it with my akg 701 phones.I also tried the grado headphone amp but it did not perform as well driving the akg 701.The shanling was able to drive the akg 701 ptetty well and it sounded fairly musical with them.But about two or three months later it developed some noise in one of the channels.I took the amp back to where I purchased it and their techs told me...” --buson160man
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...