This incredible sound-creation toolbox offers 12 distinctive delay modes with exceptional audio quality, plus deep editing controls, a graphic display, patch memories, MIDI, and much more. From basic echo to dead-on emulations of classic delays, the DD-500 will launch your music into new territory. Studio-level stereo sound with 32-bit/96kHz processing throughout; 12 versatile delay modes from vintage to modern; real-time expression with customizable control settings for onboard and external switches; selectable buffered or true-bypass operation. Operates on 4 AA batteries or optional power supply.