Head-Fi.org › Head Gear › Headphone Amplifiers › Portable
Amps › digiZoid ZO2 Personal hi-fi experience  digiZoid ZO2
Personal hi-fi experience   Pros: Small, long battery life, does
what it's meant to do well  Cons: Sloppy volume/gain adjustment
A neat little headphone amp.  Bought to use with my Pro900s. 
Definitely intensifies the v-shaped sound signature of these
headphones.  Sounds exactly as I expected it to, lots of fun to
listen to!  The gain/volume adjustment is the single worst I
have EVER used on ANY product however, just absolutely
terrible.  Other than that this is a neat little amp for a cheap
price.    Pros: tiny, rechargeable, versatile, excellent
support,  Cons: hiss with IEMs   This is an updated version of
what I posted on the impressions thread located here. I changed
a few things because I've now been using the ZO2 for a week,
extensively. I'm running the ZO2 through all of my headphones.
Here's a breakdown.  Senn. HD201 Before ZO2 -- These things are
clear and clean, but are very bass-l