“This is my first review so keep that in mind. I bought a pair used UE 900's at Cex, an electronics resale store in San Francisco. I was cleaning them and pulled the wrong way on the MMCX connector and the freakin' right unit came apart and ripped the internal wires apart. I contacted Logitech tech support and was shipped a complete UE 900s for a replacement! They were quick and helpful...” --caffed
“ From my point of view these are excellent, both in terms of sound and isolation, plus they look extremely elegant. I am not a 'golden ear' and can't really say much about the harmonics and sound spectrum as I'm really a complete noob here. However even for me I think I'd like a bit more punchy and powerful bass. Nevertheless the sound is basically music to the ears. I...” --iXpertMan
Ultimate Ears 350Vi - Headset - Binaural - Wired - Ear-Bud - 20 - 20000
Ultimate Ears 500vi Earphones
Ultimate ears 600vi noise-isolating headset features a microphone and on-cord controls for calls and music. it produces extended high-frequency response and a fuller soundstage.