-9x hearing enhancement, 50 db of powerAdjustable frequency tuning - AFTSound activated compression - SAC, reduces loud sounds, like muzzleblasts, to safe levelsNoise reduction rating - NRR, 24 dBUltra-light weightTwo independent volume controls allow for true stereo sound while four wind-resistant high frequency microphones make it easy to identify sound and direction BRAND : GSM OUTDOORS
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