Bi-amplified recording studio monitor with 70 watts of distributed power Class A/B bi-amplification with precision crossover lets each speaker work effortlessly to reproduce your mix with stunning accuracy 5-Inch low-frequency transducer with Kevlar cones for rich, defined lows 1-Inch high-frequency drivers with natural silk domes and integrated waveguides for smooth, clear highs and a wide sweet spot Rear porting for extended low-frequency response while reducing air turbulence