DiMarzio BW2200 J Bass Wiring Harness (Chrome)Dimarzio's drop in Jazz Bass control plate adds another level of improvement to the sound and feel of a DiMarzio pickup upgrade. It all starts with the choice of a . 033 Sprague orange drop capacitor added to DiMarzio designed custom taper pots. This assembly makes upgrading your bass wiring seamless and requires minimal soldering. The pots were first built over 45 years ago, and DiMarzio wanted them to have the smooth feel and graduated taper found