I.SAFE MOBILE IS-HDHS1B.1 Headset Set (Neckband)

i.safe MOBILE IS‑HDHS1B.1 – Wired Neckband Headset (ATEX/IECEx Zone 1/21)

The i.safe MOBILE IS‑HDHS1B.1 is a wired neckband headset designed for ATEX/IECEx Zone 1/21. It connects via a Nexus spiral cable to the 16‑pin ISM interface on compatible i.safe devices, delivering a stable, interference‑free audio link and excellent intelligibility in high‑noise environments.

Key benefits

• Reliable wired connectivity (16‑pin ISM), no pairing or RF interference.
• 27 dBA SNR for effective ambient noise reduction.
• Bi‑directional electret microphone with noise cancelling for clear speech.
• Dynamic loudspeaker with wide frequency response for clear audio feedback.
• Ergonomic neckband form factor for secure, comfortable fit in the field.
• Industrial‑grade build: –20 °C to +55 °C operating range.

Technical specifications

• Accessory certification: suitable for Zone 1/21 use.
• Noise Reduction (SNR): 27 dBA.
• Microphone: electret, bi‑directional; sensitivity ~–44 dB, 100 Hz – 6 kHz; noise cancelling.
• Speaker: dynamic; sensitivity ~108 dB (1 mW); 40 Hz – 14.4 kHz.
• Cable/Interface: Nexus spiral cable to 16‑pin ISM.
• Weight (incl. cable): approx. 454 g.
• Temperature: –20 °C to +55 °C.
• Colour: dark grey.
• Compatibility: i.safe MOBILE devices with 16‑pin ISM (e.g., IS540.1, IS940.1, IS945.1; check device interface).

Use cases

• Process units, utilities and high‑noise production lines.
• Maintenance shutdowns and inspections.
• PoC and lone‑worker communications in Zone 1/21.

About the manufacturer
i.safe MOBILE GmbH delivers intrinsically safe mobile devices and accessories for hazardous areas, engineered for safety, reliability and seamless integration with industrial workflows.

Contact Jenson ATEX Depot for pricing, availability and deployment guidance (cabling, PTT integration, RSM combinations).