Featuring 3 small diaphragm calls, the Phelps Mini AMP 3-Pack Diaphragm Elk Call is a must-have for elk hunters with smaller palates. The new narrow tape cut delivers a great seal in small mouths, making it easy to create the back pressure needed for crisp calls. The mini AMP orange elk diaphragm call uses a light latex that produces calf and cow sounds with ease, while also delivering great light to medium bugles. The mini AMP blue call is an all-around performer that uses a medium latex. The mini AMP white call uses a heavy latex and is ideal for mature cow sounds and loud, mature bugles. Comes with 3 diaphragm calls Mini AMP calls are sized for small palates Produces realistic sounds from calves to mature bulls