Amazon.com: Evans EMAD2 Clear Bass Drum Head, 22” – Externally Mounted Adjustable Damping System Allows Player to Adjust Attack and Focus – 2 Foam Damping Rings for Sound Options - Versatile for
Evans EMAD Bass Drum System Bundle - 22 inch | Sweetwater
EVANS EQ1 BLACK BASS DRUM RESONANT HEAD WITH DRY VENTS (SIZES 20" TO 2 – Drumazon
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