The Roland GA-112C guitar combo amp with footswitch is a serious powerhouse. Featuring the COSM amp model Progressive Amp, the GA-112C offers players an original sound with intuitive controls. Progressive Amp can go from clean to super extreme with just the twist of the Drive knob and push of the Boost button. 100W through a single 12" speaker make the GA-112C perfect for practice, studio or small to medium venues. Simple controls make it fast and easy to find your perfect tone. The Smart Channel feature saves your latest changes to panel settings automatically, and you can recall one of the saved settings for all controls with a simple button push.