Member Reviews: FiiO E9 Desktop Headphone Amplifier and Dock for E7 USB DAC

I originally purchased the E7 - mainly as a portable dac/amp, but as time progressed, I wanted to use it mainly for my desktop (bypassing the onboard), and needed a more powerful amp as I progressed to upgrade my cans.   The obvious choice was to use the E9, and pair it with the E7.       Technical Specs From Fiio's packaging / website Output power : 1W (16ohm loaded), 80mW (600 ohm loaded) Headphone impedance range : 16 ohm to 600 ohm SNR (line in) : ≥100dB (A weight) Distortion (line in) : <0.003% (100mW) Frequency response : 10Hz ~100KHz Fixed line out 2V rms Adjustable out : 0-2V rms Power supply: DC15V /...

I was in the market for a desktop amp and DAC, I did some research on the web and this little amp kept sticking out from the crowd so I grabbed one with the accompanying E7 DAC for less than $200. This amp has all the power I need and drives all my headphones effortlessly, it is a very transparent amp and it sounds great, I don't think it can be beat at double the price.

Powers the HD600's with ease

I am struggling to discern any improvement in the SQ of my headphones HD598 and K702.  They are amped by the just out of the box E7 & E9 respectively.  Any o, improvement I will say improvement is only to boost the bass performance by a fraction (E7 on +1) and volume  (E7 by 10%) by circa 20%.   I prefer the K702 & HD598 sound signature unamped (ie without the E7). Clarity is marginally compromised with a hint of hiss and color on E7 especially, but which has graciously rolled off highs. E9 provides a lot more power. Both enrich the bass for contemporary rock music, etc.   But then without much comparison (and I am fussy) I'd thought that both my...