The Line 6 MM4 Guitar Modulation stomp box modeller Pedal. Loaded with a treasure trove of vintage analog-style modulation and modern tone manglers. Specifications: Loaded with a treasure trove of vintage analog-style modulation and modern tone manglers Available Models: Opto Tremolo, Bias Tremolo, Phaser, Dual Phaser, Panned Phaser, U-Vibe, Rotary Drum, Rotary Drum & Horn, Analog Flanger, Jet Flanger, Analog Chorus, Dimension, Tri Chorus, Pitch Vibrato, Ring Modulator and Panner Mono​/​ Stereo Stereo in​/​ Stereo out Expression Pedal Input for real time control of all effect settings - EX-1 Expression Pedal (optional 16 Digital Effects 20 Factory Presets 4 User Programmable channels Controls: Effect Selector, Speed, Depth, Tweak, Tweez, Mix Batteries Included or Use Line 6 Optional Power Supply PX-2 Chassis Colour: Blue Dimensions - Length: 10 inches​/​25.4 cm; Width​/​Depth: 6 inches​/​15.24 cm; Height: 2.375 inches Weight: 3.1 lbs Condition: Very Good (7 out of 10). Minor scratches from use. A small scuff at the bottom left of the pedal. Weight: 1.4kg