Boss DD 7 Digital Delay

• Expanded delay time, up to 6.4 seconds
• Modulation Delay mode offers natural, chorus-type sounds
• Analog Delay mode models the classic warm BOSS DM-2 analog delay sound
• Tap tempo controllable via external footswitch
• Delay time, feedback, and effect level can be controlled via external Expression pedal (sold separately)
• Up to 40 seconds of recording for sound on sound (Hold mode)

Specs:

• Controls E.LEVEL, F.BACK, D.TIME, MODE
• Pedal switch Indicator
• CHECK (Used for indication of TEMPO, HOLD, and to check battery)
• Connectors: INPUT-A (MONO) jack, INPUT-B jack, OUTPUT-A (MONO) jack, OUTPUT-B jack, TEMPO/EXP jack
• AC adaptor jack (DC 9 V)
• Delay Time: 1 ms to 6400 ms* Values may vary according to the mode and connections.
• Maximum recording time: 40 sec (in Hold mode)
• Nominal Input Level: -20 dBu
• Input Impedance: 1 M ohm
• Nominal Output Level: -20 dBu
• Output Impedance: 1 k ohm
• Recommended Load Impedance: 10 ohms or greater
• Power Supply: DC 9 V: Dry battery, 9 V type (6F22/carbon, 6LR61/alkaline)
• AC Adaptor (PSA-series: optional)
• Current Draw: 55 mA (DC 9 V)
• * Expected battery life under continuous use: Carbon: 1.5 hours, Alkaline: 6 hours. These figures will vary depending on the actual conditions of use.
• Accessories: Owner's Manual, Mode Sticker, Application Sticker, Leaflets ("USING THE UNIT SAFELY", "IMPORTANT NOTES," and "Information"), Dry battery (9 V type, 6LR61) *1
• Options:  AC adaptor (PSA-series), Footswitch: FS-5U, Expression pedal: Roland EV-5
• Size 73mm x 129mm x 59mm  (2.875 x 5.125 x 2.375)
• Weight: .4Kg  (1 pound)