Evans EMAD Onyx Series Bass Drumhead - 18 inch (5-pack) Bundle

The Evans EMAD Onyx bass drumhead combines a 10mil single-ply film with the EMAD damping system which delivers excellent punch low end and power. The EMAD (Externally Mounted Adjustable Damping) system lets you adjust the attack and focus of your bass drum sound quickly and easily. The Evans EMAD is the perfect choice for heavy hitters who want solid sound and long head life but prefer the feel of a single-ply drum head.