The Boss DD-500 is the most powerful and versatile stompbox delay ever created. It’s an incredible sound-creation toolbox offering 12 distinctive delay modes with exceptional audio quality. Additionally, deep editing controls, a graphic display, patch memories, MIDI, and much more. From basic echo to dead-on emulations of classic delays and incredibly lush spatial textures that take your breath away. The DD500 launches your music to places you never thought possible. DD-500 Version 2 Software: New and Improved Control Parameters, Routing Options, and Effects for Increased Performance Flexibility On top of the great hardware, the Boss DD500 includes a feature-packed Version 2 software update. Bringing you some powerful new performance enhancements with unparalleled flexibility to your DD-500. While you enjoy even more control with an improved A/B simultaneous mode for advanced routing, as well as Series and Parallel modes. Not to mention the addition of several user-requested features including; additional MIDI controls, new modulation, a feedback loop for inserting effects and adjustable input and output levels. Plus so much more! Overall, the Boss DD-500 is a powerful stompbox delay pedal packed with great features. Making it the perfect addition to your guitar pedalboard!