Howard Leight Impact Sport R-02601 Electronic Hearing Earmuffs (NRR 22 dB) Black December 3, 2017 admin Howard Leight Impact Sport R-02601 Electronic Hearing Earmuffs (NRR 22 dB) Black. Includes durable black hard case for storage and protection. Amplifies low-level sound up to 4 times while protecting ... Read More