Experience top-tier hearing protection with the ISOtunes Sport DEFY BT advanced electronic earmuffs designed for shooters. Featuring Tactical Sound Control technology, it amplifies ambient sounds for awareness while instantly blocking harmful gunshots with a 25 dB noise reduction rating. Enjoy up to 11 hours of rechargeable Bluetooth connectivity to stream music and take calls hands-free. Lightweight, comfortable, and water-resistant, the DEFY BT offers superior safety and convenience all day long.

Tactical Sound Control Technology

Amplifies environmental sounds up to 8 times for improved awareness while instantly blocking harmful gunshot noise in under 2 milliseconds.

ANSI-Certified 25 dB Noise Reduction Rating (NRR)

Provides reliable hearing protection by reducing loud noises to safe levels without compromising situational awareness.

Bluetooth 4.2 Connectivity

Stream music and take calls wirelessly by connecting to two devices simultaneously with easy automatic pairing.

Rechargeable Battery and AAA Compatibility

Up to 11 hours of wireless use on a single charge or up to 22 hours using AAA batteries for extended playtime.

Noise-Isolating Microphone

Ensures clear communication even in loud environments by reducing background noise during calls.

Lightweight and Comfortable Design

Weighs only 15.5 ounces with a vented, adjustable headband and memory foam ear cushions for all-day comfort.

IPX4 Water Resistance

Durable construction protects against splashes and light rain, making it suitable for outdoor use.

SafeMax Technology

Limits volume output to 85 dB to protect your hearing from dangerous noise levels.

Adjustable Headband

Fits most head sizes comfortably, ranging from small to large.