[TuckYou91]

I use a Sansa Fuze and an iPod Touch 3g. If I do, I would like to keep it under 80 and preferably as cheap as possible.

 

[phrosty]

Yes. The bass on the 770-Pro80 will become much better with an amp. Without an amp it can be overbearing and lacking in detail. Check out ClieOS' thread for low-cost amp reviews.

 

[zazex]

They will sound better with an amp;
whether you "need" one is up to you.

 

[TuckYou91]

I think I may get the FiiO E11, AMB LABS MINI3, or Cmoy 2.0.3...does anyone have any opinions?

 

[AppleDappleman]

I have the same headphones, I'm thinking about getting either the CmoyBB or the E17. Just my 2 cents haha

 

[mikeaj]

How do the Fuze and iTouch sound relative to one another?  Is either not loud enough for you?
 
You can always get slightly better performance (past a certain point, often not necessarily audibly better) with a better dedicated amp, but whether or not that's worth the extra cost and inconvenience of lugging around a second device, is another matter.  If you switch from a source with non-negligible output impedance to one with a low output impedance--say, some dedicated amps, even like FiiO E5--the bass should tighten up and you should get less exaggerated midbass.  However, your sources don't have that issue, so there's not as much to be gained here with a different amplifier.
 
FiiO E11, for better or worse, is mostly just a clone of the Mini3, so the extra cost on the Mini3 is not going to be worth it.  The main issue is just not being able to use it while it's charging, for the E11.  If the CMoy is a single battery type with a weakish rail splitter (many are), and you listen pretty loud or to music that's very quiet, I'd be a little concerned about the power output from a CMoy design like that.

 

[zazex]

Quote:

I think I may get the FiiO E11, AMB LABS MINI3, or Cmoy 2.0.3...does anyone have any opinions?

To me the JDS Labs CMoy sounds better than the E11.  Smoother and more dynamic.
The E11, though, is more "portable" - slimmer with a tougher shell.
And it does sound quite good...just not as good as the CMoy.
 
I use either depending on what I'll be doing - meaning, for example, if I'm going to the gym,
I'll use the E11.  If I'm just going for a walk, the CMoy is fine.  It's just more physically delicate
than the E11.
 
I haven't heard the MINI3.