Magnet Weight:15   oz
Vioce Coil Size:1 1/4"
Diaphragm Material:ALUMINIUM
Frequency Range:1--16  kHz
Sensitivity(1W/1M):98   dB
Power RMS/MAX:50/100  W
Impedance:   4 or 8  Ω
FITS HORNS WITH1 3/8" *18 TPI THREADS