Pro Ears Stalker Gold Shooting Hearing Protection NRR 25 Bow Hunting Headset Max 5 Camo. OpticsPlanet Inc is an Authorized US Distributor for Pro-Ears Hearing Protection. These Pro-Ears Hearing Protection Headsets are the balance achieved between comfort noise attenuation and purity of sound. The engineers at Pro Ears have developed a hybrid digital/analog system found exclusively in these Gold Series active hearing protectors. To further enhance the natural sound quality gold connectors are used along with high quality amplifiers and microphones to reduce impedance. Advancements in DLSC technology for compression turn an impulse sound wave from a gunshot into a soft audible pop. Finely engineered circuitry with proprietary programming has reduced attack time to 1.5 milliseconds. Adjustable gain control is provided so the industry leading sound amplification can match the shooter's situational needs. Pro-Ears Stalker Gold Series Shooting Hearing Protection Headsets GSDSTL is available with the following options: GS-DSTL-Green: Pro-Ears Stalker Gold Shooting Hearing Protection NRR 25 Bow Hunting Headset - Green GS-DSTL-CM4: Pro-Ears Stalker Gold Shooting Hearing Protection NRR 25 Bow Hunting Headset Advantage Max 4 GS-DSTL-APG: Pro-Ears Stalker Gold Shooting Hearing Protection NRR 25 Bow Hunting Headset Real Tree APG Specifications for Pro Ears Stalker Gold Series Shooting Hearing Protection Headset: Manufacturer: Pro Ears Color: Max 5 Camo NRR: 25 dB Battery Type: N Battery Quantity: 4 Features of Pro-Ears Stalker Gold Series Shooting Hearing Protection Headsets GSDSTL: Purple hunting headset Suitable for a continuously moderate noise environment-NRR 25 Internal gain setting preset to hear the quietest sounds at the greatest distance Chop-side cup for clean long gun shooting For use in a low to moderate noise level environment Great for bow hunting made in specialized factories Package Content Pro-Ears Stalker Gold Series Shooting Hearing Protection Headset Pro Ears GSDSTLM5: Stalker Gold Shooting Hearing Protection NRR 25 Bow Hunting Headset Max 5 Camo