Line 6 has spent years crating models of amps, so they understand the spirit of every classic that they have modelled. These aren't those! The Catalyst 100 combo amplifier operates like a traditional guitar amp, while providing the increased versatility of a modern amp, and features six Original Amp Designs crafted using their renowned HX sound design techniques. Catalyst amplifiers offer six Original Amp Designs—ranging from pristine clean to modern high-gain—crafted using their renowned HX sound design techniques to ensure exceptional tone and feel. These powerful and sturdily constructed combos are equally suited for stage or studio use, and feature an XLR line output and a 4-channel USB recording interface. Also included are Boost circuits customized for each amp type, a dedicated Reverb section with six reverb types, 18 additional effects, an effects loop, a Power Amp input for using Catalyst as a powered speaker, MIDI capabilities, and power attenuation options for playing at any volume. The free Catalyst Edit app for desktop and mobile devices provides deep editing capabilities.