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

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

Synergy Fryette Deliverance Module 2-Channel Preamp Module 2-Channel Tube Preamp Module With 2 X 12AX7 Preamp Tubes, Gain I/Gain II Structure,

Synergy Soldano SLO-II 2-Channel Preamp Module Tube Preamp Module With 2 Channels, 2 X 12AX7 Preamp Tubes, Crunch/Overdrive Switches, Normal/Tight

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

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

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

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 Peavey 6505 2-Channel Preamp Module 2-Channel Tube Preamp Module With Per-Channel Gain, Volume, 3-Band EQ, And Lead/Crunch Controls

Synergy ENGL Powerball 2-Channel Preamp Module 2-Channel Tube Preamp Module With 2 X 12AX7 Preamp Tubes, Dual Gain, 3-Band EQ, And Volume Knobs And

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 Diezel Herbert 2-Channel Preamp Module 2-Channel Tube Preamp Module With 2 X 12AX7 Preamp Tubes, Global 3-Band EQ, Dual Gain/Volume Knobs,

Synergy Marshall JMP 2-Channel 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 SYN1 Tabletop Preamp Module Dock - No Module Included Tabletop Preamp Dock With 1 Module Dock, 1 X 12Ax7 Preamp Tube, Sag Control, Effects

Synergy SYN-20IR 20-Watt 3-Channel Tube Head With OS 2-Channel Preamp Module 20W, 3-Ch Tube Amplifier Head With 1 Preamp Module Dock, FX Loop, IR

Synergy T/DLX 2-Channel Preamp Module Tube Preamp Module With 2 X Channels, Dual Bright And Tight Switches, Independent EQ, And 2 X 12Ax7 Preamp

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

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 Tone King Imperial 2-Channel Tube Preamp Module 2-Channel Tube Preamp Module With Per-Channel Attenuation, Volume, And Tone-Shaping

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 Friedman BE-DLX 2-Channel Preamp Module 2-Channel Tube Preamp Module With Per-Channel Gain, Volume, 3-Band EQ, Saturation, And BE/HBE

Synergy Dr Z Z Wreck 2-Channel Tube Preamp Module

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 SYN-50 50-Watt 4-Channel Tube Head - No Modules Included Guitar Amp 50-Watt 4-Channel Tube Amplifier Head With 2 Preamp Module Docks, FX

Synergy SYN-20IR 20-Watt 3-Channel Tube Head With Diezel VH4 2-Channel Preamp Module 20W, 3-Ch Tube Amplifier Head With 1 Preamp Module Dock, FX

Synergy IICP Two-Channel Tube Preamp Module

Synergy OS Preamp Module

Synergy SYN-20IR 20-Watt, 1 X 12-Inch Combo Amplifier With Fortin Killer Kali 2-Channel Tube Preamp Module - Driftwood/Oxblood, Sweetwater Exclusive