Hear every detail of your sound with the mackie mp 120 bta bluetooth in ear monitors. Boasting a single large dynamic driver in each iem housing these professional earphones deliver a full balanced sound across the entire audio frequency spectrum. And with up to 40db of sound isolation nothing will disturb you either. The mp 120 btas come complete with a handy mp bta bluetooth adapter so you can listen with complete wireless freedom. Simply pair your bluetooth enabled device to your earphones and enjoy that signature mp 120 sound without being tied down by wires. The iem enclosures themselves feature an ergonomically moulded low profile design providing outstanding comfort with a maximised bass response. These are iems that you can wear on stage or on the street for as long as you want without having to worry about fatigue. And all without sacrificing sound quality.