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EM-4238
24 000 AMD
EM-4238 1-wire Surveillance Earpiece with inline PTT microphone for Two Way
Radios.
This acoustic tube earpieces are in use by all professional sectors of radio communications. It is ideal for surveillance purposes and security at airports; casinos; crowd control at conventions and concerts; and other working environment requiring discreet communications.
This model feature a Quick Disconnect design to allow the acoustic tubes to be changed easily.This Surveillance Headset delivers crisp, clear sound even in noisy places and the PTT microphone can easily attach to your clothing with an accompanying clip.
| Microphone Specification: | |
|---|---|
| Sensitivity Range | -40 3dB RL=1.0K Q Vs=2.0V(DC) 1KHz |
| Impedance Max | 2.2K2 1kHz (RL=2.2KS) |
| Frequency | 20-20KHz |
| Current Consumption Max | VS=2.0V RL=2.2KS MAX: 500 HA |
| Operation Voltage Range | 2.5-10V (DC) |
| Max Sound pressure Level | 110dB S.P.L |
| Speaker Specification: | |
| Impedance | 1002+15%@1KHZ |
| Sensitivity | 117dB+10%/1Watt 0.5Meter |
| Resonance frea | (FO) 680HZ+20% |
| Frequency respond | F-5KHZ |
| Rated input power | 1.0W |
| Maximum input power | 1.5W |