Affordable Price. Performance Versatility. Convenience and Ease-of-Use. When it comes to purchasing a guitar amp, it's very, very difficult to get all those traits into one package. Luckily for you, American Musical Supply has just the thing for guitarists of all ages and abilities. Enter the Boss Katana lineup of amp heads, speaker cabinets, and combo amps - a popular collection of incredible sounding models that have been designed with the modern guitarist in mind.