(2015 New Arrival) Kz Ed9 Kz-ed9 Moving Coil Noise Cancelling Heavy Bass Music Hifi DJ Monitor Studio Sports Metal 3.5mm Earphones Headphones Earbuds with Micphone for iPhone Samsung HTC Mp3 Mp4 / Better for Symphony/ Rock/ European and American Pop/ Dance ED9 is a bit extreme definition of new flagship headphones, variable tuning device with patent Built-in T units, many new multiple technologys will shake into the traditional field of moving coil unit It will bring you a new kind of auditory sense, dental, and sound like feeling extremely rich No matter Double units, or three unit headphones, can't show the ED9 in terms of overall sound knot like texture. Best earphone for DJ Symphony/ Rock/ European and American Pop/ Dance and so on