I don't know if such a thing exists, but I need: 1.  A pocket sized receiver and a transmitter that either connects to the audio jack of my pc, or connects via usb and appears as a new audio device. 2.  It converts and deconverts a digital signal at either end so as to not lose audio quality...

Got myself etymotic mc5 earbuds about 3 days back.  An air-tight seal is important, but out of all the ear-tips the only one I could attain a proper seal (and decent noise isolation) was with the foam tips.  However there are two problems:   1. They hurt like hell. 2. After about 2 days...

I'm looking for some earbuds, preferably IEM's.  My requirements are, highest priority order first: 1) Low budget, ideally below £60 (~$90). 2) Sound isolation.  The less I can hear (ideally even with nothing playing) the better. 3) I'm not savvy with the jargon, but what I'd like is...