Almost two years ago I reported being very impressed by the sound sculpturing capabilities of the Zo Personal Subwoofer. digiZoid has now released version 2, and brought some significant upgrades to the pocket-friendly headphone amp. With so many quality dedicated digital music players (the Cowon C2 or the Colorfly C4, for instance) and high end smartphones already offering pretty decent audio reproduction, is it worth laying out extra cash for sonic enhancement technology that sits between device and earphones? I've been giving a review unit a good testing over the last week or so in an attempt to answer that very question.
Read the full article: digiZoid releases Zo 2 personal subwoofer, we go hands-on