Cass Creek -  Big Horn Remote Speaker - Big Game Calls & Speakers - Hunting Calls - with 75-Feet Cable Cass Creek Nomad Series Cass Creek Big Horn Remote Speaker-get a greater edge with your Nomad, Amplifire and AmpliFire calls. Amplfiy your calls to increase your chnace of success. Big Horn for Big Coverage. Works with MP# players, natural bark camo finish. Comes with 75' of cable for maximum separation. Operates on 4 standard C batteries.