12'' 2Way Speaker Box 50 oz Magnet Voice Coil: 2.5 '' KSV Frequency Response: 45-18kHz Sensitivty: 96 dB Impedance: 8 Ohm RMS Power: 150W Dimensions ( wxdxh): 43x31x57.5 cm Tweeter Voice Coil: 1.34'' (34mm) Frequency Range: 1.5kHz- 18 kHz Sensitivty: 98dB 34mm Ti.diap. Driver: 17.5 oz 8 Ohm VASP-0412A Voltage: 110 - 230 V/ AC/50-60 Hz Impedance: 4 Ohm RMS Power: 120 Watts