Magnet Weight:38   oz
Vioce Coil Size:2"
Diaphragm Material:TITANIUM
Frequency Range:1--18  kHz
Sensitivity(1W/1M):105   dB
Power RMS/MAX:100/200  W
Impedance:   4 or 8  Ω
FITS HORNS WITH1 3/8" *18 TPI THREADS