M9 Stompbox Modeler has the stunning stompbox tones, old-school simplicity and necessary portability you need in an all-in-one stompbox solution. It packs 100 plus models from best-selling Line 6 gear (including DL4 Delay Modeler, FM4 Filter Modeler, MM4 Modulation Modeler, Verbzilla and more) into a tank-tough box. Tweak your tones on the fly, just like a classic stompbox - no menus, saving or hassles. The 28-second looper is easy to use with dedicated footswitches, and the built-in chromatic tuner is always at the ready. 1/4 mono/stereo inputs and outputs (True Analog Bypass or DSP Bypass); two 1/4 expression pedal jacks; MIDI in/out.