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EM-440250 Transparent Acoustic Tube Earpiece with Large PTT.With the best-quality transparent acoustic tube that could hardly be detected by people around you, this is also ideal for surveillance purposes and security at airports,crowd control at conventions and concerts, and other workg environment requirg discreet communications.
Microphone Specification: | |
Sensitivity Range | -42± 3dB RL=1.0K Q Vs=2.0V(DC) 1KHz |
Impedance Max | 2.2K2 1kHz (RL=2.2KΩ) |
Frequency | 20-20KHz |
Current Consumption Max | VS=2.0V RL=2.2KΩ MAX: 500 μA |
Operation Voltage Range | 2.5-10V (DC |
Max Sound pressure Level | 110dB S.P.L |
Speaker Specification: | |
Impedance | 30Ω+15%@1KHZ |
Sensitivity | 120dB+10%/1Watt 0.5Meter |
Resonance freq | (FO) 680HZ+20% |
Frequency respond | F-5KHZ |
Rated input power | 1.0W |
Maximum input power | 1.5W |
3rd Floor,Building C,Kemron Science &Technology Park,Guansheng 5th Road,Guanlan,Longhua District, Shenzhen,China,518110
