This EM-3927 Surveillance earpiece made from quality components and durable materials which makes it the choice of professionals.Available in both two-wire or one-wire design;The microphone is also designed with discretion in mind. It can be clipped onto a collar, tie or lapel and quickly activated with the push to talk (PTT) button located in the centre of the switch.
Featuring both an earpiece and push-to-talk (PTT) microphone, this is a practical and hard-wearing radio earpiece for doorman, bodyguards and anyone working in security services, hospitality or crowd management.
Microphone Specification: | |
Sensitivity Range | -36± 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 | 90Ω+15%@1KHZ |
Sensitivity | 116dB+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