OTTO V4-HS2HY1 H3 With Surefire™ Filters, Lightweight, Dual Speaker, Behind-the-head With Mini-PTT 

The lightweight, low-profile H3™ Headset is designed for high performance in tactical situations experienced by SWAT, public safety and security personnel. SureFire® patented noise-reducing earpieces feature specially designed filters to provide excellent situational awareness with outstanding hearing protection. The proprietary filter design dampens loud noises to safe levels while allowing normal speech and other non-harmful sounds to pass through and be clearly heard.

• When necessary, the sliding switch on the SureFire® filter can be closed to shut down the situational awareness functionality to achieve an NRR rating of 21 dB.
• The SureFire® earpieces automatically block loud impulse noise to provide maximum hearing protection of up to 40 dB NRR whether switch is open or closed.

Features:

• A sliding switch allows the user to control ambient sound level, while preserving situational awareness.
• In the open position, the filters allow ambient sounds and conversations to be heard clearly.
• In high noise environments, closing the switch increases noise blocking effectiveness.
• Ambient background noise is reduced by 21dB, with up to 40dB of protection against loud noises
• SureFire® earpieces provide hearing protection with situational awareness.
• Lightweight, adjustable behind-the-head style headband and premium ear temples ensure a comfortable, secure fit.
• Flexible noise-canceling electret boom microphone can be placed precisely for optimum transmission clarity and includes a replaceable windscreen.
• Patented SureFire Earlock

Compatible with Hytera Radios: PD770/ PD70XG / PD88XT / PD700