Pro Ears Pro Tac 300 Hearing Protectors 26 dB Behind The Head Black. These Protective Ear Muffs from Pro Ears have a circuit board preset at 15 decibels of amplification that reduces high frequency filtering which may benefit those with high-frequency hearing loss. With a multi-purpose design in the external cup an internal battery compartment in the Pro Ears Pro Tac Hearing Protections eliminates unnecessary cuts or voids improving the noise attenuation properties of the cup. If your job or day-to-day life calls for occasional use of hearing protection but situational awareness still matters the natural sound of Pro Ears 300 NRR 26 Hearing Protections is better than any other active hearing enhancement product on the market. Specifications for Pro Ears Pro Tac 300 NRR 26 Hearing Protectors: Manufacturer: Pro Ears NRR: 26 dB Quantity: 1 Pair Size: One Size Battery Type: N Battery Quantity: 4 Battery Life: 250 hours Included Accessories: Standard Condition: New Age Group: Adults Weight: 7.7 oz Featurs of Pro Ears Pro Tac 300 NRR 26 Hearing Protectors: Super quick attack time of 5.5 milliseconds; 2 military grade circuit boards rather than the standard single circuit board for greater adjustability; Exclusive DLSC Compression Technology for improved situational awareness; Pro Form Leathe ultra-comfortable viscoelastic ears seals & padded adjustable headband; Ships in Certified Frustration Free Packaging; 3 Year Warranty Package Contents: Pro Ears Pro Tac 300 NRR 26 Hearing Protections RO-HP-ProTac300 (x4) N Batteries Pro Ears PT300BBHH: Pro Tac 300 Hearing Protectors 26 dB Behind The Head Black