Boss Katana 50 MKII EX 1x12" Solid State Combo Guitar AmplifierThe Boss Katana 50 MKII EX takes the original Katana 50 formula and loads it up with more versatility, more effects, and more features, all in the same super portable package. At the core of the Boss Katana 50 MKII EX is two channels of 50 watt solid state powerswitchable to 25W or . 5Wenhanced with Roland's Tube Logic design for class defying power that still hits hard and cuts through. The back boasts a Power Amp In for use with your favorite