Triple and Quad Pro Bass knob

THIS THING IS BEAST!!!! Solid 1/4 thick construction with graphics of your choice on the inside. Absolutely nothing will compare to this bass knob.

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DS18 Universal Marine Gain Attenuator (Bass Knob)

THIS THING IS BEAST!!!! Solid 1/4 thick construction with graphics of your choice on the inside. Absolutely nothing will compare to this bass knob.

Triple and Quad Pro Bass knob