Kagan Stealth S.S.A. Predator Stalk and listen for your prey when hunting. Hear that big buck before he hears you. The Stealth SSA Predator by Kagan is a revolutionary sound amplification system that is high-performance, affordable, and discreet. Designed to look like an expensive cell phone earpiece, the Stealth SSA Predator will allow you to? Stalk and Listen? for your game. Never again will a big buck sneak up to your position, walk out, or around you without you hearing him.