Model:MWL212 Dual 12" 2-Way PA Speaker Frequency response:80Hz-18KHz Power capacity:400W Impedance 8 ohm Woofer:2.5" VC Tweeter:1.75" VC Sensitivity:96dB(1W/1M) Dimension(w.d.h):400*320*860mm Enclosure:MDF;covered in leather;plastic cap Model:MWL215 Dual 15" 2-Way PA Speaker Frequency response:80Hz-18KHz Power capacity:550W Impedance 8 ohm Woofer:3" VC Tweeter:1.75" VC Sensitivity:98dB(1W/1M) Dimension(w.d.h):460*405*1105mm Enclosure:MDF;covered in leather;plastic cap