The Electro-Harmonix Mod Rex is a polyrhythmic modulation powerhouse. It runs four independent modulation sections - Mod (chorus/flanger/phaser/vibrato), Filter, Tremolo, and Pan - each with its own rhythmic subdivision locked to a master tempo, so you can build complex, evolving polyrhythmic textures from one box. Features: - 4 independent, tempo-synced sections: Mod, Filter, Trem, Pan - Per-section rhythmic divisions for true polyrhythmic movement - Tap tempo with tempo lock - 8 preset slots for storing your patches - MIDI in and expression pedal control - Stereo ins and outs Condition: Excellent - clean and fully functional, showing only minimal signs of use. Includes the original box. Ships well-packed from a smoke-free home. Open to reasonable offers.