Joyo JMA-15 Mjolnir 15 Watt Tube Guitar Amp Head with Foot SwitchA Joyo JMA 15 Mjolnir 15 Watt Tube Guitar Amp Head with Foot Switch in Excellent 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 you will get so please check out the pictures! Everything we sell has been tested and is fully functional unless otherwise noted. We