Inspired by the legendary EVANS EMAD system, the REMAD is an external damping device designed for 4" microphone ports in bass drum resonant heads.
Evans Dixson Bass Drum Lift
Evans EQ4 Bass Drum Batter Heads - Clear
Evans EQ3 Bass Drum Resonant Head - Black (No Port)
Evans EQ4 Bass Drum Batter Heads - Frosted
Evans EQ3 Bass Drum Batter Heads - Clear