920D Custom's JB-CON-CH/BK+T Dual Bass Concentric Control Plate with Toggle is a major upgrade of stock plates. The pre-wired, drop-in ready plate is built with premium components and will drastically clean up your tone. Each pickup has a separate volume and tone control and the mini toggle allows the pickups to be switched from Series to Parallel. If you're needing to improve your tonal options on your bass, look no further than this control plate.