The Howard Leight by Honeywell Impact Pro Sound Amplification Electronic Shooting Earmuff offers a high 30 dB Noise Reduction Rating (NRR) - perfect for handgun and pistol shooters looking for maximum hearing protection, especially at indoor ranges, covered ranges or other extremely loud shooting environments. This earmuff has been independently tested using ANSI standards, ensuring the 30 dB NRR has been confirmed and can be trusted to deliver the appropriate level of protection.