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 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 Fortin Killer Kali 2-Channel Tube Preamp Module Tube Preamp Module With 2 Channels, Gain And Volume Knobs, Bright, Violence, Saturation, And

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

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

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

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

Synergy Z Wreck 2-Channel Preamp Module 2-Channel Tube Preamp Module With Per-Channel Volume, Master, 2-Band EQ, Cut, And Speed/Comfort Controls

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

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

Synergy Synergy Tw/Dlx 2 Channel Preamp Module

Synergy Diezel VH4 2-Channel Preamp Module Tube Preamp Module With 2 X Channels, 2 X 12Ax7 Preamp Tubes, And Dual/Single Switch

Synergy DRECT 2-Channel Preamp Module

Synergy Fortin Killer Kali Tube Preamp Module

Synergy OS 2-Channel Preamp Module

Synergy Dr Z Z Wreck 2-Channel Tube Preamp Module

Synergy Engl Savage Preamp Module

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 BMAN 2-Channel Preamp Module

Synergy SYN-20IR 20-Watt 3-Channel Tube Head With VAI Steve Vai Signature 2-Channel Preamp Module 20W, 3-Ch Tube Amplifier Head With 1 Preamp Module

Synergy SYN-20IR 20-Watt 3-Channel Tube Head With Fortin Killer Kali 2-Channel Preamp Module 20W, 3-Ch Tube Amplifier Head With 1 Preamp Module

Synergy SYN-VAI Steve Vai 2-Channel Preamp Module

Synergy OS Dumble Overdrive Special 2-Channel Preamp Module

Synergy Uberschall 2-Channel Preamp Module

Synergy DRECT Tube Preamp Module