These are the new Hush Signature Series AMP Diaphragm elk calls by Phelps Game Calls.
Straight 7 - This black tape with light orange latex call takes very little air to blow. Capable of locator bugles, delicate cow & calf calls and everything in between.
Decibull - This orange tape with heavy black latex call is for the "hard charging" callers. Capable of big bulges, mature cow calls, and many in between.