JBL Commercial CSHM10 Specs

Polar PatternSuper cardioid
Frequency Bandwidth80Hz to 15KHz
Sensitivity-55dB ±3dB (0dB=1V/Pa at 1KHz)
Max SPL124 dB
Impedance600 Ohms ± 30% (1kHz)
Length180 mm
Diameter51 mm