TelePath | Otto - Heavy Duty Headsets

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Gladly Accepted:

Heavy-Duty Noise-Attenuating Headsets For
Two-Way Radio Communications

The OTTO V4000 Series sets a new standard in reliability, durability and performance for heavy duty headsets. The V4000 Series offers high-clarity sound with the additional hearing protection necessary for providing consistent, clear two-way radio communication in harsh, noisy situations.
Perfect for heavy duty use by manufacturing plant engineers, industrial processing technicians, construction site foremen, airport personnel, racing crew teams, and many others working in high-noise environments.

Featuring:
• Certified noise reduction rating (NRR) of 24dB
• Flexible, noise-canceling, electret boom microphone with windscreen
• Comfortable, cloth-covered ear seals
• Flexible, high-grade cable for demanding applications
• Optional in-line PTT switch
• Over-the-head and behind-the-head styles
• Fully rotating boom mic for left or right side positioning

Specifications
Mechanical Characteristics
Cable	Shielded 48" length
Cable Pull Test	Withstands 20 lbs
Cable Flex Test	Withstands 25,000 flex cycles
Operating Temperature Range	-30° C to +75° C
Electrical Characteristics
Earphone	Dynamic 150 ohm
Microphone	Noise-cancelling electret
Microphone sensitivity	-37 dBV


Over-the-Head Series Selection & Pricing Guide OTTO V4000 Heavy Duty Over-the-Head Headsets are compatible with a variety of radio makes and models.	Behind-the-Head Series Selection & Pricing Guide OTTO V4000 Heavy Duty Behind-the-Head Headsets are compatible with a variety of radio makes and models.

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