What can we say? The name says it all. Introducing our new acrylic open reed elk call family. The Tramplifier family offers a combination of an acrylic barrel soundboard and reed that produces very clear notes of cow and calf mews and chirps. – The open single reed reproduces the high pitches of cows and calves taking all the guesswork out of locating those bulls. – The Long Range Tramplifier (951) is specifically designed with an acrylic barrel that lets this call reach out and touch them! The loudest open reed call we have ever designed! – Premium Acrylic Barrel for extreme sound – Open single-reed achieves higher pitch of cows and calves – Easy to blow – Produces accurate estrous cow calls