Add a Line 6 EX-1 Expression Pedal to your Line 6 gear to control a wide array of possibilities - volume, wah, modify the length of your delay time, dial up the reverb mix, change the depth of your tremolo, and more.Line 6 EX-1 Compatible Products:Stompbox modelers (M13, M9, M5, DL4™, MM4™, FM4™, DM4™)POD® X3 LivePOD® xt LivePOD Studio™ (KB37, UX8)POD HD (300, 400, 500, 500X)TonePort® (KB37, UX8)FBV Shortboard™FBV Shortboard™ MkIIGearBox™Line 6 EX-1 Features:Save two versions of your presets – heel and toe – and morph effortlessly between each one. For example, connect an EX-1 Expression Pedal to a DL4™ Delay Modeler and morph from short analog delays with no modulation to long echoes with a vibey chorusControl pitch effects - M9 and M13 Stompbox Modelers feature pitch effects like Pitch Glide (which boasts a four-octave range), that can be controlled via an EX-1 Expression PedalCreate custom wahs - Use an EX-1 Expression Pedal to create your own custom wahs. Try it with the Q-Filter model in FM4 Filter Modeler, and other stompbox modelers. Plus, take full advantage of the variety of vintage and modern wah models in M9 and M13 Stompbox ModelersVolume control - Create expressive fade-in and fade-out volume swells. Connect an EX-1 Expression Pedal to an M9 or M13 Stompbox Modeler, and check out the Volume Pedal model for sweet, pedal steel-style swells Line 6 EX 1 Expression Pedal for Line 6 Effects Floor Processors.