Alesis RealHead 12" Dual-Zone Pad Electronic Drum Pad Black Velocity-sensitive drum pad with real mylar drumhead and triple-flanged hoop Dual-zone sensing enables triggering sounds from the head and rim Head tension can be adjusted with a standard drum key Head is replaceable with any standard 12" drumhead Works with virtually all e-percussion including DM10, DM5, Trigger iO, and ControlPad