Sterling Audio MX3 3" Powered Studio Monitor Pair Level 1 3" LF driver with proprietary cone design 3/4" Silk dome tweeter, neodymium magnets 20 Watts of Class A/B amplification Dual-axis WaveGuidanceVHTM for wide sweet spot Rear port reduces LF turbulence and distortion Polished ebony front baffle with logo Studio grade internal components Protective electrical design Unbalanced RCA inputs The Sterling MX3 are a matched pair of bi-amped studio monitors that represents the latest evolution in Sterling Audio design, combining top sound quality with next-generation materials that deliver top-class audio quality and features With dual-axis WaveGuidanceVH technology each bi-amped monitor is built for optimal wider-and-higher frequency dispersion, giving you clear, articulate sound even when listening off-axis The MX3s proprietary multi-fiber 3 low-frequency driver cone delivers superior damping to minimize sonic artifacts and unnatural resonance and its 4-layer voice coil provides greater motor force for outstanding low-frequency performance The MX3s rear-port design reduces low-frequency turbulence and distortion, greater improving the overall low-end delivery