These are the new Hush Signature Series AMP Diaphragm elk calls by Phelps Game Calls. 

Specifications:

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 bugles, mature cow calls, and many in between.