Walker's Ultimate Power Muff Quads keeps your eyes protected while you improve your aim. Features four hi-gain omnidirectional microphones, independent volume control, and independent adjustable frequency tuning for total control and safety. Low noise/frequency tuned for natural sound clarity. Sound Activated Compression technology has a 0.02-second reaction time. The Ultimate Power Muff Quads has a compact folding design, sound dampening composite housing, and a comfort headband with a metal wire frame. Low-profile ear cups protect your ears without being too bulky. Recessed volume/AFT control knobbs. External battery door. Operates on two AAA batteries (included). Noise Reduction Rating (NRR) of 27 dB. Finished in Realtree Xtra camo pattern.