Studson Universal Ear Defender

STUDSON Universal Ear Defender – ED-3B Designed for high-noise environments, the STUDSON Universal Ear Defender (ED-3B) delivers reliable, helmet-mounted hearing protection without compromising comfort or mobility. Built to integrate directly with most industrial safety helmets, this system eliminates the need for a separate headband—keeping your gear streamlined and jobsite-ready. With a Noise Reduction Rating (NRR) of 26 dB, these passive ear defenders help reduce exposure to harmful noise levels while maintaining situational awareness. The three-position arm system allows you to quickly switch between active protection, standby, and parked positions—all without removing your helmet. Lightweight, durable, and dielectric, the ED-3B is built for all-day performance in demanding environments. Key Features NRR 26 dB protection – Reduces exposure to hazardous noise levels on the jobsite Universal helmet compatibility – Fits most Type I & Type II helmets with a 30mm slot mount 3-position arm system – Switch between working, standby, and parked positions without removing helmet Dielectric construction – Non-conductive design ideal for electrical environments Lightweight design – Balanced at ~248g to reduce fatigue during extended wear Durable ABS ear cups – Impact- and UV-resistant for long-term reliability Comfort seal cushions – Polyether foam with PVC backing creates a consistent acoustic seal Stable, pivoting fit – Maintains ear contact during movement and overhead work ANSI & EN compliant – Meets ANSI S3.19 and EN 352-3 safety standards Complete kit included – Comes with ear defenders and mounting adapters for quick setup