SKU: 29906787161

Motorola GMMN4585A Helmet-Mounted Communication Headset I Savox HC-1

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Description

Motorola GMMN4585A Helmet-Mounted Communication Headset I Savox HC-1Motorola GMMN4585A Savox HC 1 Helmet Mounted Communication Headset The Motorola GMMN4585A (Savox HC 1) is a professional helmet mounted headset designed for personnel who require hands free communication while wearing protective headgear. This non ATEX version is specifically engineered for fire, rescue, and industrial professionals, providing a reliable audio solution that does not interfere with helmet suspension systems or safety equipment. The

Motorola GMMN4585A

Savox HC-1 Helmet-Mounted Communication Headset

The Motorola GMMN4585A (Savox HC-1) is a professional helmet-mounted headset designed for personnel who require hands-free communication while wearing protective headgear. This non-ATEX version is specifically engineered for fire, rescue, and industrial professionals, providing a reliable audio solution that does not interfere with helmet suspension systems or safety equipment. The Motorola GMMN4585A is the updated version of the Motorola GMMN4585.

The Savox HC-1 features a bone-conduction microphone that captures speech through vibrations in the skull. This technology allows for crystal-clear transmissions even in high-noise environments where traditional boom microphones would be overwhelmed by ambient noise. Its single-ear speaker design ensures users can receive critical radio traffic while maintaining full situational awareness of their surroundings.

Key Features

  • Bone-Conduction Microphone: Captures voice via skull vibrations for superior performance in extreme noise and when wearing breathing apparatus or face masks.
  • Helmet-Integrated Design: Compact and lightweight unit that easily mounts into most standard professional helmets without tools.
  • Nexus Connector: Equipped with a standard 4-pole Nexus quick-release plug for secure connection to compatible push-to-talk units.
  • Rugged and Durable: Rated IP56 for dust and water resistance, designed to withstand the heat and moisture of firefighting and industrial rescue.
  • Hands-Free Operation: Optimized for "ready-to-use" deployment as soon as the helmet is donned.

Compatibility

DP4400E DP4401E DP4600E DP4601E
DP4800E DP4801E GP328DPLUS GP338DPLUS
MTP3500 MXP600 MXP660 R7A
XIRP8600I XIRP8608I XIRP8628I XIRP8660I
XIRP8668I XIRP8808R

Benefits

  • Savox HC-1: The Motorola GMMN4585A is the exact same product.
  • Maximum Clarity: Bone-conduction technology eliminates background wind and machinery noise, ensuring dispatchers hear the user clearly.
  • Safety First: The low-profile design ensures no pressure points inside the helmet, maintaining the protective integrity of the headgear.
  • Hygiene Friendly: The internal bone-mic stays clean and protected inside the helmet, unlike external boom microphones.
  • Quick Deployment: The simple mounting strap and Nexus connection allow for rapid transitions between non-radio and radio-assisted tasks.


Warranty

1-year manufacturer's warranty

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SKU: 29906787161

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Amazon Customer
Birmingham, US
★★★★★ 5
A very good study book
Format: Paperback
A very good study book for NCLEX. It is to the point making it easy to understand. I used it in addition to Mark K notes and audio and passed my NCLEX in the first try, and i did only minimum questions. I never used anything else to study.
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Reviewed in the United States on March 8, 2026
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JumpN2Life
Omaha, US
★★★★★ 5
Great Book for Studying to Take the NCLEX
Format: Paperback
Excellent!
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Reviewed in the United States on May 8, 2026
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Amazon Customer
Lowell, US
★★★★★ 5
Easy to study and understand
Format: Paperback
This book is easy to read and i tend to recall information better after reading it. It breaks down topics and focused on the important information or a must to know for NCLEX. I will recommend this book to anyone taking NCLEX.
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Reviewed in the United States on January 9, 2026
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Amberly
Lowell, US
★★★★★ 4
Great book!
Format: Paperback, Format: Paperback
I am still in nursing school- but I like to try read and gain knowledge ahead of time. I do this so that with upcoming semesters, the concepts are not completely foreign to me and I’m not blindsided by new topics. I have been following a lot of the YouTube videos with Mark and Dr. Sharon and have found them very educational even while in nursing school. I purchased this book and I really am happy with it. I was hoping it would have offer more info in it , maybe some more facts here and there but it’s basically an answer bank. It does have some small facts but they are not in depth at all- just mainly recall information. It really is based off just past memory from your education. For me personally, I find this book pretty useful to have if you feel confident in all topics- and plan to go for your NCLEX..however, if you’re still a bit rusty on some topics, you won’t really be able to rely solely on this book to brush up on information- not in a manner of depth (which I guess is the point). I think applying his lectures, listening to their YouTube videos and applying this book would make the ultimate go-to. The book alone is wonderful- but it’s simply just answer banks to help recall the info. Which is great if you’re looking for strictly recall. I was fortunate enough to find his lectures on Reddit along with some of the “yellow pages” from other students. I can apply that with this book and be confident in upcoming tests , as his lectures are incredible.
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Reviewed in the United States on April 28, 2026
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ynetta johnson
Natrona Heights, US
★★★★★ 5
The Blue Book
Format: Paperback
I am sooooooo happy I bought this book!! It breaks down nursing into easy understandable language. Certain things I was struggling with like ABG’s and acid base balance, this book makes it easy to understand. Thank you Mark Klimek!
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Reviewed in the United States on June 2, 2026

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