The Phelps Game Calls Diaphragms are some of the greatest elk calls in the industry.The Mini Amp was designed with the hunter with a narrow mouth palate in mind. Some guys are gagged by regular sized diaphram. The Mini-Amp is a the answer! The Phelps Mini AMP Diaphragm range in three different thicknesses of latex. Delivering a variety of perfect cow/calf, and bull elk sounds.Light Latex (Orange)Medium Latex (Blue)Heavy Latex (White)
