DW Drum Workshop 9000 Series Double Bass Drum Pedal. The item “DW Drum Workshop 9000 Series Double Bass Drum Pedal” is in sale since Friday, March 30, 2018. This item is in the category “Musical Instruments & Gear\Percussion\Parts & Accessories\Pedals”. The seller is “fabesissounds” and is located in Louisville, Kentucky. This item can be shipped worldwide.