Digitally programmable, 100% analog signal path. This triple channel rig-in-a-box is a no-brainer solution for players needing three hot tones served up fast and easy. Dial up a tone, double-tap one of the three preset footswitches, and it's saved. Yeah, it's that easy. Whatever you want, from country clean to nu-metal dirt, the TRI-A. C. will hand over three flavors of the finest SansAmp tones faster than a drive-thru. The genuine analog SansAmp circuitry features Drive and Level controls, an active three-band EQ, and three selectable amp voicings: TWEED = Fender-style BRITISH = Marshall-style CALIFORNIA = Mesa/Boogie-styleWhen you select one of the 3 pre-voiced amp styles, every dimension of each individual personality changes. It is not merely a difference in EQ or gain structure. Each amplifier type has its own tonality and its own input sensitivity. Each interacts differently to the dynamics of your playing style and to the signal level of the instrument.