Extreme Dimension Wildlife Calls - Pro Series Sound Module - Elk - EDSM430 - Sound Module for Pro Series Calls - Elk Interchangeable sound modules Includes 12 incredibly effective sounds Sounds: Bull Battle, Antler Tree Rub, Growl, Herd Bull Bugle, Lost Cow, Young Bull Bugle, Mews, Chirps, Estrus Cow, Hyper Estrus Cow, Calf, Elk Steps The Phantom Pro-Series Sound Module has 12 sounds Elk Sounds Include Bull Battle, Antler Tree Rub, Growl, Herd Bull Bugle, Lost Cow, Young Bull Bugle, Mews, Chirps, Estrus Cow, Hyper Estrus Cow, Calf, Elk Steps These Interchangeable Faceplates and Sound Modules allow you to really Leverage your Wired or Wire-Less Pro Series Calls from Extreme Dimension