EVANS BD20GMAD [GMAD Clear 20 / Bass Drum] [1ply, 12mil] KC It leaves an impression of

It leaves an impression of maximizing the quality of analog sound

give it a try

making it easier to hold

have comb-shaped edges and produce a unique tone with rich overtones

Technically speaking

EVANS BD20GMAD [GMAD Clear 20 / Bass Drum] [1ply, 12mil] KC It leaves an impression ofHighly uniform drum heads created through innovative ideas and computer control! EMAD is Evans' exclusive sound control system, featuring two interchangeable urethane mute rings (damping rings) of different widths that can be easily attached or removed without removing the bass drum head. The 10 mil, single ply film allows you to create a wide range of sounds, from open to tight attack and fat with a rich low end, all with a single bass drum head.