Evans EMAD Resonant Bass Drum Head Black 22 in.

With accentuated low-end response, the EMAD Resonant is constructed using a 7.5mil black film with a 6.5mil fixed internal control ring. It comes with an Externally Mounted Adjustable Damping system installed around the 4" offset microphone port that allows the user to manipulate attack, tone, and sustain without the need for internal damping.