Would You Like To TRIPLE Your Playing Enjoyment?
 
Upgrade gives you 6 pickup tones from your SS Jazz Bass or clone. 
 
Three mini switches to put each pickup Off or On, in normal-phase or reverse-phase; and in Parallel or Series. Do you want 100 percent More pickup tones?
 
Customer Feedback
I recently installed your Jazz Bass upgrade. I couldn't be happier with the tones I'm getting. I'm an old man who builds basses in my retirement years. I look forward to purchasing many more of your "awesome" upgrades in the near future. -- Duke Osborn
 
Easy To Install
Connect your pickup wires to the solderless terminal strip 
Start exploring all the pickup tones now available to you. 

What You Get
One assembled and tested Black acrylic Jazz bass upgrade
Parts bag
URL to download Instructions from our Document Library
 
Tools Needed
You need the following tools. 
Wire cutters, wire strippers, pliers
Phillips & straight slot screwdriver
 
Makes your Upgraded Bass Hard to put down. GUARANTEED!