THE KATANA SERIES amps from Boss recently expanded with the introduction of three new MkII models: a 50-watt 1x12, a 100-watt head and a 2x12 cabinet with Boss Waza speakers. The Katana-50 Mk II EX on review here features a compact open-back cabinet with corner protectors that carries a 12-inch ceramic-magnet speaker. The top mounted controls are clearly labeled and make for easy viewing when standing above the amp.
Starting on the left side is the amp type knob, with five settings (clean, crunch, lead, brown and acoustic), along with a variation button that provides an
