Evans Onyx Resonant Bass Drum Head, 20 Inch

20" resonant drum head made using a single ply of 10mil film coated with a frost matte coating

• A fixed, internal overtone control ring is made for every microphone situation, from the studio to arena
• The 5" offset mic port features a plastic sleeve focuses pitch and enhances the attach while providing protection for the port
• Available in a frosted, onyx, smooth white and coated white version
• All Evans drum heads are designed, engineered and manufactured in the USA