What is Catalyst? The CatalystTM family comprises of three dual-channel combo amplifiers that perform like traditional guitar amps—while providing the increased versatility of modern amps.   Does Catalyst use traditional amp models like previous Line 6 products? Catalyst amps offer six Original Amp Designs—ranging from pristine clean to modern high-gain—crafted by our sound design team using renowned HX® sound design techniques to ensure exceptional tone and feel. Ideal for