Synergy 800 2-Channel Preamp Module Tube Preamp Module With 2 Channels, 2 X 12Ax7 Preamp Tubes, And 2 Bright Switches

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

Synergy Fryette Pittbull Ultra Lead Module 2-Channel Preamp Module 2-Channel Tube Preamp Module With 2 X 12AX7 Preamp Tubes, Dual Gain/Volume Knobs,

Synergy OS Preamp Module

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 Bogner Uberschall 2-Channel Preamp Module 2-Channel Tube Preamp Module With 2 X 12AX7 Preamp Tubes, Twin Jet And Super High Gain Channels,

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

Synergy ENGL Savage 2-Channel Preamp Module 2-Channel Preamp Module With 2 Gain/Hi Switches And Contour Switch

Synergy Engl Powerball Preamp Module

Synergy Bogner Ecstasy 2-Channel Preamp Module 2-Channel Tube Preamp Module With 2 X 12AX7 Preamp Tubes, Blue And Red Channels, Dual

Synergy SYN2 Rackmount Preamp Module Dual Module Dock Rackmount Preamp Dock With 2 X Module Docks, 1 X 12Ax7 Preamp Tube, Sag Control, Effects Loop,

Synergy BMAN 2-Channel Preamp Module Tube Preamp Module With 2 Channels, 2 X 12Ax7 Preamp Tubes, 2 Tight Switches, And 2 Bright Switches

Synergy SYN-20IR 20-Watt Amplifier Head With Marshall JMP Preamp Module 20W, 3-Ch Tube Amplifier Head With 1 Preamp Module Dock, FX Loop, IR Output

Synergy DRECT 2-Channel Preamp Module 2-Channel Tube Preamp Module With Per-Channel Gain, Volume, 3-Band EQ, Presence, And Orange/Red Controls

Synergy Morgan AC Preamp Module

Synergy SYN-20IR Tube Amp Head And Dr.Z Z Wreck Module Bundle

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