Evans 22" EMAD Onyx Series Bass Drum Head (BD22EMADONX)

The Externally Mounted Adjustable Damping (EMAD) system allows the player to adjust attack and focus. The Onyx version is the perfect aesthetic and sonic compliment to the Onyx tom heads and Onyx bass resonant. Evans EMAD series features a single ply of 10mil film providing an ideal balance of punch, power and low-end.