Boss Katana 100 MkII 1x12" Combo Amp, 100/50/0.5-WattThe BOSS Katana 100 MKII is an evolution in the line of quality guitar amplifiers made for maximized performance. The Katana 100 MKII is a 100 watt combo amplifier equipped with a custom 12 inch speaker that produces tones with clarity while acting as a host to a wide array of effects and appointments. The Katana 100 features a four way switch to engage three power output settings, 0. 5 watt, 50 watt, 100 watt, and standby to accommodate any