ISOtunes Sport DEFY Earmuff

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Please allow 6 - 10 days for shipment
Olive Drab
Earwear: Muffs
Safety: Accessory

Hearing protection without compromise.

DEFY is a tactical earmuff that defies every assumption shooters have about painful and restrictive hearing protection. This modern take on a traditional style earmuff features next-generation technology, providing environmental awareness and gunshot noise attenuation.


  • Tactical Sound Control™ Technology enhances your hearing up to 8x while protecting you from high-impact noises in under 2 milliseconds.

  • Lightweight Design at just 15.5 ounces with a vented headband and memory foam ear cushions.
  • Rechargeable Battery provides up to 11 hrs of connection to any device.
  • AAA Battery Compatible for up to 22 hrs of connection (not included).
  • Automatic Power Off after 4 hours for battery conservation.
  • SafeMax™ Technology limits volume output to 85 dB for all-day, damage-free listening.
  • Bluetooth 4.2 connects, and dual-connects, devices up to 30 feet.
  • IPX4 Durability for sweat and water resistance.
  • 25 NRR tested and approved to ANSI s3.19-1974.
  • Noise-Isolating Microphone for clear communication in loud environments.


  • Includes
    • DEFY Bluetooth hearing protector

    • Micro USB charging cable
    • Quick Start Guide and Product Manual

  • One-Year Manufacturer Warranty

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