“ Tested on various classical and jazz pieces, found the SD3 to give commanding performance on all. Note, I used high quality flac versions of all songs tested. SD3's are about two days old and have about 8 hours on them, hardly broken in. They were bought from this shop and imported into the states at the regular retail price. Eartips used were Sony hybrids, peach inner...” --Carlsan
Koss's miniature portable earphone, affectionately dubbed "The Plug," makes use of an ear-cushion material (similar to that used in sound-blocking earplugs) that slowly expands in your ear canal to provide a custom fit and maximum sonic isolation from external noises. A detachable, extrawide headband makes these Koss-termed "stereophones" easy to carry or store. For...