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
“My Altec Lansing 716s are getting old and my Sennheiser HD 600s will need new cords shortly, so when I saw the Lenntek Pros at Costco.com for $50, I couldn't pass them up. When I first opened the box, and cut open the sealed all around plastic, I noticed that the included tips are all very small. But if you push them deep, deep, deep into your your ear canal you can get a seal....” --chasfs