Any music fan or anyone serious about their gaming will tell you that a decent set of headphones are an absolute necessity. Today I'm looking at the Xplosionn 5500, and at first glance it looks like a set of over the ear style headphones, with an added LCD for some strange reason. Looking closer though you'll find that it is in fact an mp3 player built into a set of headphones, so let's find out more about this hybrid.