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.
It’s rare to see a dual dynamic driver earphone in the sub $100 range, and that’s exactly what we will be taking a look at today. After reviewing top tiered IEM’s, I thought it would be good to take a step back and look at some budget IEM’s, tailored for all the mid-fi people wandering around on the market. The SonoCore COA-803+ is a dual dynamic driver earphone that...