This call is built with the jase pro series modified reed system.These reeds will harmonize with the air pressure like a single reed but has the toughness of a double reed.This call will do everything a mallard hen does and will do everything a human thinks he should do on a duck call.Quack it, feed it or hail on it with equal enthusiasm.Calls: DucksType: Duck CallSpecies: DucksMaterial: AcrylicSound Species: Mallard HenColor: YellowStyle: Double ReedDifficulty Level: EasySounds: Mallard Hen