Features Feel the sound of the Mesa Boogies MKII amplifier and get lots of natural and focused rock tones Simulates Mesa Boogies MK II amplifier 6 adjusting knobs for complete sound manipulation unique crunch Quality components true bypass wiring to minimize the signal loss Specifications Model JF 15Color WhiteMaterial Aluminum alloyInput impedance 1MωOutput impedance 1KωRunning current 3 8mAPower 6F22 9V battery DC 9V adapter Neither included Item size 12 9 6 5 7cm 4 7 3 8 2 3inItem weight 395g 13 9ozPackage size 13 10 4 6 2cm 5 1 4 1 2 4inPackage weight 435g 15 3ozNote Please use the 9V power adapter whose polarity is positive pole outside and negative pole inside Otherwise the product may not work properly Package List 1 Effect Pedal1 User Manual EnglishChinese