FLOOR MULTI-EFFECT PEDAL VALVENERGY effects pedal, with Nutube technology. The most popular amp sounds in a pedal, with the harmonic response and distortion of a tube amp. Switchable connection mode: Standard / PreAmp / CAB-Sim. Channel change function to function as a multichannel amp by connecting several Valvenergy: 2 LINK pedals, or 3 pedals with Y config. Buffered bypass. Analog circuit with 9v power supply switchable to 15v internally. Greater dynamics. OLED display for displaying the Sound. The COPPERHEAD DRIVE pedal recreates the classic sound of a full stack amp, so used in 80s hard rock for its power.