The RSM custom in ear monitor is a four-driver, three-way design with 2 woofers, 1 mid-range, and 1 tweeter. It has the power and presence to handle any stage, and the clarity and detail to enjoy while on the bus, plane or easy chair.
“ I bought these to replace my beloved A-Jays four. I needed something with the integrated in-line ipod/iphone controls, but with a bit better audio-quality, and some that may not pop out as easily as the JAYS. These have a "secure loop" system which provides an adjustable cable loop that tucks into your upper ear, helping to keep the buds in place. I personally found...” --Dneale