Rickenbacker 4 Control Harness Assembly, Vintage Tone Selector for 4003 Series Bass.

Vintage Tone Selector for 4003 Series Bass. 4 Control Harness. With a simple pull of the treble tone control, the Vintage Tone Selector will allow a player to move between both sounds at the drop of a hat. Pressed in, you'll hear the familiar balanced tone of the 4003, while pulled out to engage the circuit you'll appreciate the bite and crispness popularized by such artists as Chris Squire.