Etymotic GunsportPRO Earplugs, Electronic Hearing Protection Designed for.. The GSP 15 Gun Sport PRO Electronic Earplugs from Etymotic Research are designed for gun sport enthusiasts who need protection from firearm blasts as well as loud continuous noises from vehicles, machinery, or repeated gunfire from nearby shooters. They provide 15 dB of automatic hearing protection when noise exceeds safe levels. The electronic earplugs allow natural hearing when no background noise is present and gradually protect from loud continuous noises such as from vehicles, machinery, and nearby shooters. With the flip of switch, sounds can be amplified to improve distance detection and awareness by up to 5x. The earplugs use the company’s ACCU technology with high-definition balanced-armature drivers, high-sensitivity microphones, and proprietary wide-dynamic range compression K AMP signal processing. They come with a collection of AACU Fit eartips, a durable neck cord, a filter tool and set of AACU filters, a cleaning tool, two batteries, and a protective case. For Hunters, Shooters, Instructors – Switch Amplifies Sound. Improves Distance Detection by 5x – ACCU Technology. Includes Neck Cord – Includes Assortment of Eartips. Includes Filter Tool and Filters – Includes Cleaning Tool. Film, memory cards, filters, tapes, paper, bulbs, CD, DVDs, etc.