Used AMT Legend Amp Series 2 - R2 Triple - Sweetwater's Gear Exchange
Amazon.com: Kircuit 9V AC/DC Adapter Compatible with AMT Legend Amp Series II D2 P2 M2 R2 S2 O2 B2 C2 LAR2 Guitar Preamp Effects Pedal Mesa Triple D 2 P M 2
AMT Electronics : M2 Preamp & Effects Pedal - YouTube