Boss Katana Artist 100W 1×12″ Guitar Combo Amp (Discontinued) Leave a Comment / Uncategorized / By Alexander / April 27, 2018 90 GEARANK 90 out of 100. Incorporating 125+ ratings and reviews. Street Price: $499.99 Manufacturer: Boss Features: 100W Class-AB Custom Designed Waza 12″ Speaker 5 Amplifier Characters 58 Effects and 8 Customizable Channels Cabinet Response Control