The Over-the-Head style Electronic Noise Cancelling Hearing Protector provides enhanced active noise reduction for users in any high-noise environment. ENC technology provides and additional 17-22 dB of noise reduction at lower frequencies with ENC turned on. The ENC Hearing Protector provides superior noise reduction performance without sacrificing comfort and durability. ENC function controlled by rotary ON/OFF switch on domeDual 9-volt battery packs provide up to 30 hours of continuous useAdjustable headset and stirrup assembly assures uniform headband pressure for a more comfortable, personalized fit Weather-resistant, soft foam head pad with 4-chamber design eliminates 'hot spots' and provides added comfortSoft, foam-filled ear seals are easily replaceableWork-ready, rugged design stands up to the most demanding work environmentsCertified Noise Reduction Rating (NRR): 27 dB (additional noise reduction with ENC turned on)NSN: 4240-01-549-4861
