BOSS RC-505MKII, LOOP Recorder (B-Stock) Listed a sb-stock as a customer returned it after less than an hours use. Includes full warrantyPacked with inspiring tools for on-the-spot music creation, the RC-505mkII brings next-generation power and flexibility to the world's most popular tabletop looper. Elevate your performances with five stereo tracks and four simultaneous Input FX and Track FX, and soar even further with customizable buttons, expanded I/O, increased mixing control, and other enhancements requested by long-time RC-505 users. Built for free-flowing expression on stage and in the studio, the RC-505mkII is a dream machine for beatboxers, vocalists, multi-instrumentalists, and other fearless looping artists. The RC505mkII retains everything that made the original so loved and adds a wealth of new features to make the looping experience even more creative and free flowing. The faders provide longer throw for finer adjustments, and they also have a more solid feel under the f