Synergy VAI Steve Vai Signature 2-Channel Preamp Module 2-Channel Tube Preamp Module With 2 X 12AX7 Preamp Tubes, Dual Gain/Volume Knobs, Dual

Synergy Steve Vai Preamp Module

Synergy Steve Vai Signature Dual-Channel Tube Guitar Preamp Module

Synergy SYN1 Tabletop Preamp Module Dock With Marshall JMP Preamp Module Tabletop Preamp Dock With 1 Module Dock, 1 X 12Ax7 Preamp Tube, Sag

Synergy IICP 2-Channel Preamp Module 2-Channel Tube Preamp Module With 2 X 12AX7 Tubes, Global 3-Band EQ With Presence, Global 5-Band Graphic EQ,

Synergy Marshall JMP Preamp Module 2-Channel Tube Preamp Module With Per-Channel Vol. 1 And Vol. 2 Controls, 3-Band EQ, Master Control, And

Synergy Friedman DS 2-Channel Preamp Module Tube Preamp Module With 2 Channels, 2 X 12Ax7 Preamp Tubes, And Dual/Single Switch

Synergy SYN1 Tabletop Preamp Module Dock Tabletop Preamp Dock With 1 Module Dock, 1 X 12Ax7 Preamp Tube, Sag Control, Effects Loop, And Cab-Emulated

Synergy Plexi 2-Channel Preamp Module Tube Preamp Module With 2 X Channels, Blendable Gain Controls, And 2 X 12Ax7 Preamp Tubes

Synergy OS 2-Channel Preamp Module Tube Preamp Module With 2 X Channels, 2 X 12Ax7 Preamp Tubes, And Dual/Single Switch