This is a reverb unit made by FLAMMA, known for its sound quality. It is fully functional, almost new, and comes with the box and instruction manual. Please refrain from price negotiations. ------------------------------------------------------------------------------ 7 classic reverb effects: Room, Hall, Church, Cave, Plate, Spring, Mod. The Trail On function allows the effect to fade out naturally. Low-noise buffer bypass reduces signal loss. High-quality stereo input and output. 7 storable preset slots. ------------------------------------------------------------------------------