Used Sterling Audio MX5 Pair Powered Monitor

5" low-frequency driver with acoustically engineered cone design 4-layer voice coil provides greater motor force for outstanding low-frequency performance 1" silk-dome tweeter features powerful neodymium magnets 70 watts of high-efficiency, low-distortion Class A/B amplification with 42Hz–22kHz frequency response Bi-amplified Class A/B design ensures superior transient response and natural bass presence Rear-port design reduces low-frequency turbulence and distortion.