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Preamp Block Diagram
Z-Mode effects the String's Vibration

Products

Pro JZ3 Jazz preamps with jack on the plate
Pro JZ3D Jazz preamps with jack on the side of bass plus Tone knob
Pro JZ6D Jazz preamps with jack on the side of bass plus 6 ways Rotary Z-Mode Switch

Pro Z Module Preamps with Z-Mode
Classic Module Preamps with a more traditional design and lower cost

FAQs

Z-Mode
Direct Connection to the Pickups
Active Mixing of Pickups
Pickup Exposed Part Grounding
Pickup Shielding
Power (Batteries)
JZ Installation
3ZB Installation
Purchasing
Trouble Shooting

Support

3ZB Documents: Installation Instructions and Wiring Diagrams
JZ Documents: Installation Instructions
Limited Warranty

Purchase

Purchase Terms
Limited Warranty and Satisfaction Guarantee pdf