Polytone Mini-Brute II Guitar Combo AmpNotes reverb does not function. knob replaced with bolt. replacement volume knobs amp is fully functional otherwise ext. speaker works bright normal dark switch works A Polytone Mini Brute II Guitar Combo Amp in Good condition! At Evolution Music, we attempt to highlight cosmetic defects (if any) by picturing every angle of every piece of gear so you know exactly what you are getting. We always picture any and all accessories too. What you see is what