top of page
  • Facebook
  • Instagram

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 hours of connection to any device.
  • AAA Battery Compatible for up to 22 hours 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 9+ meters.
  • IPX4 Durability for sweat and water resistance.
  • 30 SNR tested and approved to ANSIs3.19-1974.
  • Noise-Isolating Microphone for clear communication in loud environments.

Defy Slim Basic Earmuffs by ISOTunes Sport

    • Instagram
    • Facebook
    bottom of page