Yamaha DFP-9D Direct-Drive Double Bass Drum Pedal. The Yamaha DFP9D is a direct-drive, double kick-drum pedal. Designed for pro stage and studio use, the pedal sports a direct-drive design to bolster power, control, and kick response. The direct drive creates a direct link between the footboard and the beater, conveying the movement of the drummer’s foot to the beater instantaneously. The link can be moved into three positions, allowing the drummer to fine tune the pedal’s action to match their preferred performance. The frame and bearing cover (blue parts) are independently smoothed and precisely fabricated before assembly, allowing them to to be aligned with the central axis of the shaft and ball bearings to unleash a smooth rotation. Bearing Chamber Promotes Smooth Action. Prominent Tension Spring-Adjustment Knob. Brass & Aluminum Beater Weights. Beater & Foot-Board Angle Adjustment. Ball-Bearings & Anti-Skid Heel Spikes. Secondary Pedal Anchor with Spikes. For Instrument (X) : Drum Set. Drum Pedal Type : Double. Drive System : Direct Drive. Beater Type : Weight-Adjustable Beater.