The Pro Ears Predator Gold Electronic Earmuffs series is the premium hunting model of Pro Ears. Designed with a Noise Reduction Rating (NRR) of 26, the Predator Golds provide exceptional protection for the loudest environments while still amplifying quieter sounds for improved situational awareness. Constructed using dual circuit board technology, adjust your hearing and amplification levels separately for each ear to compensate for uneven hearing loss using the dual knob system. Additional adjustment for high and low gain using internal pin settings. For the ultimate in Performance, Comfort and Reliability.FeaturesOnly Weighs 9.3 ouncesContoured cups ideal shape for shouldering long range riflesBattery life is up to 250 hours with normal use3.5mm input jacks for connecting hones and music devicesGold connectors for premium sound qualityIndustry-leading attack time of 1.5 millisecondsAutomatic shut off after 4 hours of inactivity2 military grade circuit boards rather than the standa...