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Go Back   Head-Fi: Covering Headphones, Earphones and Portable Audio > Equipment Forums > Portable Headphone Amps

Portable Headphone Amps Discussion of portable headphone amps.

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Old 06-02-2008, 08:37 PM   #51 (permalink)
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The opamp may be one of these, or a knockoff.

One thing I've noticed about my FiiO -- you know how if you leave a cell phone near a TV or something, it can periodically make a bunch of staticky noise come from the TV? If I carry my FiiO in the same pocket as my cell phone, this happens from time to time.

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Old 06-02-2008, 10:12 PM   #52 (permalink)
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Originally Posted by sugarinthegourd View Post
The opamp may be one of these, or a knockoff.

One thing I've noticed about my FiiO -- you know how if you leave a cell phone near a TV or something, it can periodically make a bunch of staticky noise come from the TV? If I carry my FiiO in the same pocket as my cell phone, this happens from time to time.

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a lot of amps do that...
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Old 06-03-2008, 08:29 PM   #53 (permalink)
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Just got one off ebay, bid 2p just in case someone else wanted one, but I won it and am looking forward to what it sounds like.
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Old 06-03-2008, 08:48 PM   #54 (permalink)
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I would not say that the Fiio is an upgrade when used with the D2 and Koss KSC75. It does add a little bit off bass, but I didn't find the added bass very tight. It also does seem to roll of the hights a bit.

So, if the portable player is strong, and the headphones are not too hard to drive, the Fiio will not improve the sound.
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Old 06-15-2008, 10:19 AM   #55 (permalink)
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Originally Posted by sugarinthegourd View Post
  • Volume with the 4s cable + FiiO amp is almost identical to unamped 4p cable, but sound quality is much better
  • With the 4s cable, the amp adds volume equivalent to about 8 clicks on the A818 volume meter -- in other words, level 22 with the amp is about equivalent in volume to level 30 without the amp

does it add volume now or not? first you say that it's almost identical to unamped, then you state that it adds volume. confusing!
what if my onboard sound card has a weak output, will the amp add volume or not?
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Old 06-15-2008, 04:13 PM   #56 (permalink)
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The cable adds resistance. It does not add volume, it will decrease it with the resistance.
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Old 06-16-2008, 06:22 PM   #57 (permalink)
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what is a 4s cable then? what if i use it from my ipod straight into my headphones? does it still lower the volume level?
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Old 06-18-2008, 09:47 AM   #58 (permalink)
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Originally Posted by Henmyr View Post
I would not say that the Fiio is an upgrade when used with the D2 and Koss KSC75. It does add a little bit off bass, but I didn't find the added bass very tight. It also does seem to roll of the hights a bit.

So, if the portable player is strong, and the headphones are not too hard to drive, the Fiio will not improve the sound.
pairing a cowon D2 with the Fiio and a Mylar XBi, there is a definite improvement in terms of soundstage and warmth... so it depends on your earphones too.
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Old 06-18-2008, 06:09 PM   #59 (permalink)
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Just got mine. It does bring more warmth to the sound, but.... no one else gets this extremely noticeable hissing sound?
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Old 06-18-2008, 06:38 PM   #60 (permalink)
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Just got it and found it to be quite bassy (warm?). This helps some earphones, like Etys. Fiio surprised me, it has enough power to drive Yuin OK1 and PK1 louder than I want to listen them.
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