Nominal impedance:8ohm(AC)
Power capacity:150W
Sensitvity:105db/m.w
Frequency Range:500Hz- -15kHz
Diaphragm material: Titanium
Voice coil: Kapton72.2mm(2.85in)
Magnet:62oz
Throat:50(2in) 
Size:Φ170MM X 80MM
Net weight:4.8Kg