BOSS Katana 100 MkII Guitar Amplifier Versatile combo amp with five amp voicings, customizable effects, and editor software Amp characters include Clean, Crunch, Lead, Brown (derived from the BOSS Waza amp), and Acoustic (for acoustic-electric guitar) 60 timeless BOSS effects, accessible from the BOSS Tone Studio Variable Power Control allows you to achieve cranked-amp tone at lower volume levels Shape your tone quickly with dedicated Gain, EQ, and Effects controls Use the BOSS Tone Studio editor software to customize your effects and amp settings Effects Loop allows you to add effects pedals after the preamp section Power Amp In brings uncolored amplification to your external modelers and preamps Stereo Expand switch for single-cable stereo operation across two Katanas Full GA-FC foot controller support