Surefire EP4 Sonic Defenders Plus Earplugs - Large Spring double press and hold the

double press and hold the on/off button switch for strobe output

Raspberry Gray

Totally welded construction - no stitching

Sophisticated camera technology automatically adjusts the exposure and white balance

It is a stylishly modern update to the time-tested lockback pattern: simple

Surefire EP4 Sonic Defenders Plus Earplugs - Large Spring double press and hold theEP4 Sonic Defenders Plus protect your hearing without interfering with your ability to hear routine sounds or conversations. Their triple flange stem design fits larger ear canals and provides a Noise Reduction Rating (NRR) of 19dB. Sounds, at safe levels, are allowed to pass through into the ear canal, while potentially harmful noises (above 85dB) are greatly reduced via a proprietary design that incorporates the patented Hocks Noise Braker filter.