“This is a review of the Cayin C5 portable amplifier. The specs: Rated output power: 800mW + 800mW (32Ω load) SNR: ≥101dB (A-weighted) Life time: about 12 hours (32Ω load) Frequency response: 20Hz-100kHz (± 1dB) Sensitivity: ≤500mV (gain H) Charge limit voltage: 12.6V Charging time: about 4 hours (off state, the use of DC5V / 2A charger) Total Harmonic Distortion: ≤0.02% (1kHz) Lithium...” --peter123
“ INTRODUCTION Let’s cut to the chase, I’m a former Cayin C5 owner. I loved the sound signature but found it’s amp section to be ridiculously over-powered on the low gain setting. I could barely turn the volume knob before I felt like my eardrums might implode. Not good. Not good at all. But that sound signature was oh so nice… So when I heard...” --nmatheis
“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
“Cayin iDac-6 and iHA-6 A story of a beautiful duo and my honeymoon with them Prequel Let me rewind just a tad before we begin. I am one of many who interminably chase the "perfect" sound. Saying that might make it easy to understand how joyful I get when trying out new products. I always keep my radar on for a resonating blip of new...” --Dillan
“ ****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
Cayin's HA2 headphone amplifier is a wonderfull sounding piece that is a MUST for any headphon lover! The sound is smooth and liquid, almost tube like! Makes the most out of demanding headphones such as Sennheiser HD600 and HD650, AKG K501, K601, and K701, etc. This amp has been gently used for about 5 hours. It's in mint condition, and includes the owner's manual, box, and...
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...