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Synergy Fortin Killer Kali 2-Channel Tube Preamp Module w/12AX7 Tubes - Open Box

Fortin Killer Kali Preamp Module

Synergy Plexi 2-Channel Tube Preamp Module

Synergy Fortin Killer Kali 2-Channel Tube Preamp Module w/2x 12AX7 Tubes

Synergy Fortin Killer Kali All-Tube 2-Channel Tube Guitar Preamp Module

Synergy IICP Two-Channel Tube Preamp Module 2 x 12AX7 Tubes Black Refurbished

Synergy Fryette Pittbull Ultra-Lead 2 Channel Preamp Module