The Phelps Beginner Amp Elk Diaphragm 3 Pack is designed to elevate your hunting experience by giving you a versatile range of elk calls. Ideal for beginners, this set contains the AMP Black, Green, and Grey Elk Diaphragms, each producing distinct and realistic elk sounds. The Black Diaphragm creates high to medium pitched cow sounds with incredible volume, while the Green Diaphragm, with its stiffer tape and bitter taste, is an all-rounder, producing medium cow and bull sounds. The Grey Diaphragm is perfect for those seeking volume and variety, generating medium to mature cow sounds and medium to large bull sounds. Experience the thrill of the hunt like never before with these high-quality elk calls.