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.
Item no.:
EM-440250Color:
BlackMin order:
50
EM-440250 1 Wire Transparent Acoustic Tube Earpiece Headset with Big PTT for 2 way Radio
◆ Durable cable with 4.0mm & 2.6mm diameter ◆ High quality speaker output for clear audio ◆ Lapel microphone with metal casing & alligator clip ◆ Large PTT with spring-loaded belt clip ◆ Silastic airtube with standard earbud insert ◆ Mostly for duplex radios |
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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 |
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E-44 Acoustic tube Earpiece with mini-armature Speak |
PTT #50 Big round PTT with belt clip |
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Kevlar cables for extended life in the fiedl |
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