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.
DUNU is a fairly new company and was started as a brand of the Top Sound OEM making IEMs that utilize very high quality housings that have a similar look and feel, but better build quality to the Monster IEMs. I have had a chance to hear some DUNU products briefly, but as I now stick to custom IEMs and higher priced universals I didn’t perform a full evaluation. I was a little surprised...