Evans EMAD Heavyweight Knockout Pak Bass Snare Drum Heads
A Demonstration of the Evans EMAD Bass Batter Head - YouTube
Evans 22" BD22EMAD Clear Bass Drum Head
Evans EMAD Clear Bass Drum Batter Head - 22 inch | Sweetwater
Amazon.com: Evans EMAD System Pack, 22” (2pc) – Includes Batter Bass Drumhead and Resonant Drumhead -Externally Mounted Adjustable Damping System Allows Player to Adjust Attack and Focus Without Removing Drumhead : Everything Else