SHK-1 Ear Defender

The STUDSON Ear Defender gives reliable, helmet-mounted hearing protection for loud jobsite environments. It clips straight into the side rails of the SHK-1 Cap Style helmet and delivers solid noise reduction without getting in the way of your work.

Key Features

Clear Compatibility
Made primarily for the SHK-1 Cap Style helmet (vented or non-vented).
Not compatible with the SHK-1 Full Brim.

Secure 30mm Mounting
Uses a standard 30mm attachment that locks into the SHK-1 Cap Style side rail for a stable, low-profile fit.

Noise Reduction Rating (NRR)
Rated at 24 dB NRR and tested to ANSI S3.19-1974 noise reduction standards.

Easy On/Off
Snaps on quickly when you need hearing protection and swings up out of the way when you don’t.

All-Day Fit
Adjustable ear cups create a snug, comfortable seal that stays put through long shifts.