Engl Powerball II 4 channel tube head with 4 Gaincontrol knobs Clean Gain1 - Crunch Gain2 - Lead Gain3 - Lead Gain4,- 2 Bottom Sound Switch for Lead Channel 3 and for Lead Channel 4, Middle boosted switching, Electronic Power Tube Monitoring,100watts, 6L6GC tubes, 2x master volumes, adjustable effects loop (parallel/serial) can now be activated via footswitch, two different lead sounds, adjustable noise gate on lead channel can now be activated via footswitch, Footswitch Optional 181665 Z9 Ten wzmacniacz to rewelacja!!!