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.
“Quick intro: I've come from a fair amount of "treble happy" headphones (Grado sr125i, Beyerdynamic dt880 pro, heir audio 3.a1), and some that are a little in between (Hifiman He400, Fostex Te-05). I listen to a large amount of classic rock, some blues, and a lot of EDM, with a smattering of orchestral and vocally-focused music thrown in. I purchased these to get some experience with...” --nwguy