The 878HL-2 is designed for fixed or temporary paging applications. The frequency response is broad with a gentle rise in the high midrange for speech intelligibility. 6 cable provided with stripped and tinned ends.
 
Operating Principal: Moving Coil Dynamic
Polar Pattern: Omnidirectional
Frequency Response: 80Hz - 12KHz, Hi-Z Sensitivity: -43dBV (7.2 mV) @ 1 Pa
Impedance: 40K ohms
Lo-Z Impedance: 400 ohms, Sensitivity: -60dBV (1 mV) @ 1 Pa