The Jetfon JR-EHS-D E/C Jack 3,5 mm connection is a professional-grade, high-integrity audio monitoring accessory precision-engineered to deliver secure private listening pathways and crystal-clear voice tracking across high-noise commercial environments and active security operations. Developed as an ergonomic listen-only earpiece type curly cable hook system, this hardware solution provides an isolated channel for incoming radio traffic, dropping the risks of broadcasting confidential data or disrupting surrounding personnel with open-speaker communications. It stands as an essential infrastructure asset for event coordinators, logistics supervisors, emergency response teams, and B2B specialty telecommunications distributors seeking to source robust, long-lifecycle radio fleet components.
The core audio distribution interface is optimized for reliable plug-and-play system integration with professional communication hardware, featuring a low-resistance, pre-molded 3.5 mm connector designed specifically for direct coupling into speaker-microphones or handheld transceivers. This broad interface layout yields verified, seamless field compatibility with industry-standard Icom, Yaesu, and Standard radios, ensuring immediate deployment readiness across multi-brand equipment fleets. The premium dynamic ear-speaker is housed inside an ultra-comfortable, flexible D-shape outer support ring that wraps securely around the external ear structure, ensuring excellent physical stability that remains locked in place during sudden body movements or multi-shift tactical maneuvers.
Built to withstand intense daily mechanical stresses, the system incorporates a high-elasticity coiled curly cable section that stretches comfortably with the user’s head rotation, preventing the cord-snaps or physical socket torque typical of rigid, straight wiring. The flexible lead assembly is fitted with an inline high-tension mechanical clip that fastens firmly onto lapels, collars, or uniform webbing, keeping the cable close to the body and out of harm’s way. Wrapped in an oil-resistant, professional matte black synthetic polymer sheath, this rugged personal earpiece protects internal copper conductors from sweat accumulation, environmental dust, and continuous industrial friction loops, guaranteeing long-term signal clarity on the job.
Technical Specifications
| Technical Parameter | Specification |
|---|---|
| Brand | Jetfon |
| Model Designation | JR-EHS-D (D-Shape Series) |
| Component Classification | Listen-Only Personal Earpiece / Private Audio Extension |
| Interface Connection Terminal | Standard 3.5 mm mono jack plug connector |
| Verified Transceiver Compatibility | Icom, Yaesu, and Standard handheld radios / matching speaker-mics |
| Wearing Style Layout | Ergonomic flexible earhook (D-shape open-ear design) |
| Cable Structural Type | High-elasticity coiled curly cable with heavy-duty strain reliefs |
| Mechanical Placement Mount | Chassis-integrated high-tension rotatable garment clip |
| System Nominal Impedance | Optimized low-loss line matching for voice-band processing |
| Color Profile | Matte Professional Black |
| Primary Fleet Utility Purpose | Discreet audio routing, noise-attenuated monitoring, field path stabilization, and hardware warehouse reserve stock |
Package Content
- 1x Jetfon JR-EHS-D Listen-Only Earpiece with Integrated Coiled Cable
- 1x High-Tension Structural Lapel Alignment Clip (Pre-assembled)
- 1x Factory Technical Fitment Reference Note
