Masterful Sound Extraordinary Creative PowerFilled with newly developed BOSS technology the DD-500 is the most powerful and versatile stompbox delay ever created. 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 to incredibly lush spatial textures that take your breath away the DD-500 will launch your music places you never thought possible.DD-500 Version 2 Software: New and Improved Control Parameters Routing Options and Effects for Increased Performance FlexibilityThe feature-packed Version 2 software update brings powerful new performance enhancements and unparalleled flexibility to the DD-500. Even more control has been added with an improved A/B simultaneous mode for advanced routing as well as new Series and Parallel modes. Five new effect types have been added to the current delay algorithms plus many updated parameters common to all modes. The update also offers lots of user-requested features including additional MIDI controls new modulation types a feedback loop function for inserting external effects adjustable input and output levels selectable EQ position and more. SpecificationsSampling Frequency 96 kHzAD/DA Conversion 32 bitsProcessing 32-bit floating pointDelay Modes 12 modes STANDARD ANALOG TAPE VINTAGE DIGITAL DUAL PATTERN REVERSE TERA ECHO SLOW ATTACK FILTER SHIMMER SFXMaximum delay time 10 sec.(depends on delay mode)Phrase loop 60 sec. (96 kHz/MONO 48 kHz/STEREO) 120 sec. (48 kHz/MONO) Delay can be applied.Patches 198 (99 banks x 2 [A] [B]) 297 (99 banks x 3 [A] [B] [C])Pedals Foot switch x 3 [A][B][TAP/CTL]Knobs MODE TIME/VALUE FEEDBACK E.LEVEL TONE MOD DEPTHDisplay Graphic LCD (128 x 64 dots backlit LCD) x 1Nominal Input Level INPUT A/MONO B: -10 dBuMaximum Input Level INPUT A/MONO B: +8 dBuInput Impedance INPUT A/MONO B: 1 M ohmNominal Output Level OUTPUT A/MONO B: -10 dBuMaximum Output Level OUTPUT A/MONO B: +8 dBuOutput Impedance OUTPUT A/MONO B: 2 k ohmsRecommended Load Impedance OUTPUT A/MONO B: 20 k ohms or greaterBypass Buffered bypass or True bypass (with relays)Connectors INPUT A/MONO B jacks: 1/4-inch phone type OUTPUT A/MONO B jacks: 1/4-inch phone type CTL 1 2/EXP jack: 1/4-inch TRS phone type USB COMPUTER port: USB type B USB-MIDI MIDI (IN OUT) connectors DC IN jackPower Supply Alkaline battery (AA LR6) x 4 AC adaptorCurrent Draw 200 mAExpected battery life under continuous use (These figures will vary depending on the actual conditions of use.) Alkaline: Approx. 7 hoursAccessories Owner's manual Leaflet USING THE UNIT SAFELY Alkaline battery (AA LR6) x 4Options (sold separately) AC adaptor: PSA series Footswitch: BOSS FS-5U FS-5L Dual Footswitch: BOSS FS-6 FS-7 Expression Pedal: BOSS FV-500H FV-500L Roland EV-5Size and WeightWidth 170 mm 6-3/4 inchesDepth 138 mm 5-7/16 inchesHeight 62 mm 2-1/2 inchesWeight (including battery) 1.0 kg 2 lbs 4 oz.