Evans Heads BD22RGCW-NP 22-Inch EQ3 Resonant Coated Bass Drum Heads - White 22-Inch resonant drum head with a single ply of 6.5mil film A fixed, internal overtone control ring is made to be microphone friendly, from the studio to arena No mic port Available in a frosted, onyx, smooth white, coated white, and mic port version All Evans drum heads are designed, engineered and manufactured in the USA