top of page


DEFY Slim Basic delivers superior protection in a no-frills, ultra-slim design. Tactical Sound Control™ allows you to hear and control ambient sound volumes, all while protecting you from harmful gunshot noises. DEFY Slim Basic is the ultimate earmuff for distractionfree, high-performance protection.

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

SafeMax Technology™
limits volume output to 85dB for all-day, damagefree listening.

IPX4 Durability
for sweat and water resistance

20 NRR
Tested and approved to ANSI s3. 19-1974

  • Ultra-Slim Design
  • Noise-Isolating Microphone for clear calls in loud environments.
  • IPX4 sweat and water resistant.
  • Product Weight: 310 g (including 2 AAA batteries)
  • Accessoires: 2 AAA batteries, 1 aux input cabl
  • NRR: 20 dB tested and spproved by ANSI s3.19-1974
  • SNR: 27 dB

ISOTUNES Sport Defy Slim Basic

    bottom of page