Single dynamic driver in-ear by Korean micro-speaker company called Dynamic Motion.
“-- Can the Dynamic Motion DM100 initial good looks be backed up by a good overall package? Let’s find out. ~ All photos were taken by me, no stock photos from the manufacture are used ~ *Accessories* - 4 Pairs of Silicon Ear Tips (XS, S, M, L) - 1 Pair of Medium Sized Comply Tips (T400) - 1 Cord Clip - 1 Airplane Adapter -...” --BloodyPenguin
“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
“UE 900S Unibody I would like to first say thank you to Mrs. McDonald for sending me a demo unit to review. UE has some of the best customer service that I have experienced, they are very fast in responding to any emails with questions that I had. I am not employed or I am being compensated by UE for this review, this review is based on my opinions and all the photos were taken by...” --acain
Ultimate Ears 350Vi - Headset - Binaural - Wired - Ear-Bud - 20 - 20000
Ultimate Ears 500vi Earphones
“should have added a cable clip , fitting is awesome , sound quality is just what i like , bass is fast , hits with a punch , really nice mids , highs are lively too . thick and dark signature , my fav sig . secoend in command of my line up , might let the xba-3 creep in between , but xba-3 lacks sound stage , come on xba-3 , being a $200 phone you can not lack sound stage . but xba sounds fine...” --suman134
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.