Model No: PTE-155LB

High quality 3-Wire Surveillance Kits with Quick-release Acoustic Tube Earphone for Two-way Radios

3-Wire Surveillance Kits with Quick-release Acoustic Tube Earphone and Separated mini pen style microphone for Two-way Radios

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3-Wire Surveillance Kits with Quick-release Acoustic Tube Earphone for Two-way Radios

This 3-wire earpiece is designed with separated mini pen style microphone and covert barrel PTT for discreet communication. Such as : security guards and surveillance teams, event management and logistics, industrial and construction teams, outdoor training and field command units.

Speaker Specification

Type	Transducer: Moving coil dynamic speaker
Impedance	200Ω±15% @1KHZ
Sensitivity	120dB±10%/0.6mW on a coupler
Resonance freq	(F0)4KHZ±20%
Frequency respond	F0Hz~9KHz
Rated input power	500mW
Maximum input power	1000mW

Microphone Specification

Sensitivity Range	-36± 2dB RL=2.2K Ω Vs=3.0V(DC) 1KHz 0dB=1V/Pa B16
Impedance Max	2.2KΩ 1kHz (RL=2.2KΩ)
Frequency	50-1600Hz
Current Consumption Max	0.5uA RL=2.2KΩ Vs=3.0V(DC)
Operation Voltage Range	1.0V-10V (DC)
Max Sound Pressure Level	115dB S.P.L THD<2% at 1K

Customization & OEM Services

Our acoustic tube earpieces can be fully customized to meet your operational requirements. We provide:

Connector and pinout customization

Choice of tube materials and eartips

Branding and labeling options

Custom cable length and colors

OEM packaging and bulk shipment options

MOQ: 50 units per model

Lead Time: 3–5 weeks

Contact us for tailored solutions.

Why Choose Us for 3-wire surveillance kits Acoustic Tube Earpieces

Our acoustic tube earpieces combine discreet design with robust performance for professional security and surveillance applications. We maintain strict quality control and use medical-grade materials for all acoustic tubes to ensure safety and comfort during long shifts. OEM options and private labeling are available for bulk orders.