Sensear SM1B Smart Muff Two-Way Radio Headset


Out of stock



SM1R Smart Headset Helmet Mount with aux. cable connection (No Battery / Radio Powered - Cable Required), 23dB NRR, Noise Cancelling Boom Mic, PTT, SENS Technology (360° Situational Awareness / Face-to-Face Communication), 82 dB in-ear Volume Limiter, Two-Way Radio wired connection REQUIRED (cable not included: SRCK60XX series), (HELMET NOT INCLUDED)


  • Clear two way radio communication up to 120dB noise levels
  • Limit ‘in-ear’ noise exposure to 82dB
  • Connects to all industry leading two way radios via wired connection
  • Built-in rechargeable (lithium-ion) battery with 24 hour battery life and 5 hour charge time
  • Available in Headband, Behind-the-Neck and Helmet Mounted ear muff styles
  • SENS™ Technology
  • Enhances speech while suppressing background noise to a safe level
  • Remain aware of surrounding noises and hazards
  • Durable and lightweight design
  • VOX capable
  • Range of 23-27 dB. NRR (noise reduction rating)
  • Noise-cancelling boom mic

Technical Specifications


IP Rating  IP54
Power (Non-IS model)
2650mAh Lithium Polymer Battery, 24 Hour Battery Life, 5 Hour Charge Time
Power (IS model)  2250mAh Lithium Polymer Battery, 24 Hour Battery Life, 4 Hour Charge Time
Cables Requires radio cable connection to a two-way radio

Hearing Protection

Volume limiter 82 dB(A) [programmable] – only applicable when the headset is powered on
Region Australia / NZ USA / Canada Europe
Standard AS/NZS 1270 ANSI S3.19 EN352-1/EN352-3
Result SLC80 NRR SNR
HB 31 dB, Class 5 27 dB 33 dB
BTN 27 dB, Class 5 24 dB 30 dB
HM 26 dB, Class 5 23 dB 31 dB


SENS® 360o Situational Awareness 95 dB(A)
Voice transmission

Boom microphone – noise cancelling, VOX capable


Sens® mode (< 95 dB)

Two-way radio Radio cable with Push-To-Talk module (required)

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