1.Nominal impedance:8ohm(AC)   
2.Power capacity:110W
3.Sensitvity:100db/m.w        
4.Frequency Range:500Hz—20kHz
5.Diaphragm material: Titanium
6.Voice coil:Kapton74mm
7.Magnet: 62oz
8.Throat: 50(1in)
9.Size:Φ1701MM×71MM
10.Net weight:5Kg