The ACSI MKII is an amplifier and speaker cab simulator delivering the sound and feel of world-class amplifiers, complimentary speaker cabinet IRs created by Tone Factor and York Audio, and controllable room size. With the ACS1, players have expansive options to deliver their tone on stage, in the studio, or practicing at home. Simple controls, stereo in and out, onboard presets, and MIDI support make the ACS1 an essential tool in a guitarist's arsenal.