Boss DD-7 Digital Delay Pedal

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The Boss DD-7 is one of music's most popular digital delays. With reengineered delay modes and up to 6.4 seconds of delay time, it's a pedalboard staple.

Back in 1984, Boss brought you the famous DD2 digital delay pedal -- and with the Boss DD-7 Digital Delay, that legendary effect has been updated with new features and tons of tonal options for your signal. Dual input and output jacks allow for stereo opportunities, a sweet set of delay settings lets you craft an almost limitless span of sonic textures, and that rugged Boss outer metal chassis will keep you stomping gig after gig. There are virtually endless possibilities once you incorporate this amazing delay effects pedal into your signal chain.

The Boss DD2 Delay Sound -- Based on the Roland SDE-3000

Back in the mid-'80s, Boss introduced the classic DD2 digital delay pedal, which quickly became a staple in the world of digital delay effects for guitarists. This pedal was focused on a chip used in Roland's SDE-3000 rack-mounted digital delay, harnessing a 12-bit AD converter to yield effects to make your head spin. The Boss DD-7 takes these facets and adds more features to give you even more sonic avenues to wander down. This sweet delay pedal is no one-trick pony -- it's ripe for experimentation.

Cool Controls for Shaping Your Delay

The control layout of your DD-7 is reasonably simple -- effects level, feedback level, delay time, and mode controls give you everything you need to shape the character of your delay. The effects level knob dials in how much of the effect mixes into your signal, the feedback level lets you delay your already-delayed signal to add read more multiple repetitions, and your delay time determines the length of the delay. The mode control features several millisecond settings, a hold setting, a modulate setting for chorus-like sounds, an analogue setting to mimic the DM2, and a reverse setting for some trippy '70s-styled licks.

Going Hands Free

To get the most out of this workhorse of a pedal, a separately sold external footswitch and expression pedal can be utilized to take advantage of tap-tempo features and seamlessly change the levels of your delay time, feedback, and effect level in the middle of your set. Also, the hold setting on the DD-7 gives you up to 40 seconds of input to be recorded, which allows for plenty of layering and interesting combinations in just a few simple stomps.

Using the Stereo Output Setting

For either live or recording settings, the option of stereo outputs opens the door for boatloads of possibilities. You can do interesting mixes of your dry and wet signals, create intriguing spatial audio sweeps, and have a lot fun just playing around with true left and right panning options for your output signals.

A good delay pedal is a guitarist's best friend -- and the DD-7 is a great one!


- Digital delay pedal
- Effects level, feedback level, delay time, and mode controls
- Modulation delay, analogue delay, and reverse settings
- Check indictor light for tempo, hold, and check battery indications
- Dual 1/4" inputs
- One 1/4" tempo/EXP jack
- dual 1/4" outputs for stereo out option
- Powered via 9 volt battery or external power supply -- sold separately
- Maximum delay time of 6.4 seconds
- Lightweight at only one pound
- Rugged and durable outer chassis
read less

- Pedal switch

Indicator: CHECK (Used for indication of TEMPO, HOLD, and to check battery)

- 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*
- Maximum recording time: 40 sec (in Hold mode)
- *Values may vary according to the mode and connections.

- 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 not included)
- DC 9 V: Dry battery 6F22 (9 V) type (carbon)/
- Dry battery 6LR61 (9 V) type (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

For support or warranty questions, please contact the manufacturer:
Phone: 323-890-3700

Boss DD-7 Digital Delay Pedal

Even with the best-selling delays in compact-pedal history, Boss continues to push the envelope and innovate. The DD7 takes the best features from its predecessors and expands the creative potential with Modulation Delay mode, classic modeled Analog Delay mode, External pedal control options, longer delay time, and more.

Expanded Delay Time

Up to 6.4 seconds of delay time is available with the DD7, a marked increase from its predecessor. In addition, Hold mode allows up to 40 seconds of input to be recorded for creating "sound on sound" performances.

Delay Modes

The DD7 is equipped with two innovative delay modes. Modulation Delay provides chorus-flavored sounds. Analog Delay offers a modeled simulation of the classic BOSS DM2, beloved for its characteristic warmth.

External Control

For hands-free control of the DD7, an external footswitch and Expression pedal (sold separately) can be used. Tap tempo can be controlled from an external footswitch, while delay time, feedback, and effect level can be changed on the fly via Expression pedal.

Stereo Output

Create amazing effects with the DD7's stereo output, such as spatial audio sweeps via true stereo panning. You can also use the stereo outputs to create separate dry and wet signal paths - handy for recording and live-performance control.

Reviewers gave this product an overall rating of 5 out of 5 stars. (25 ratings)
Submitted June 10, 2016 by Steven F in Burlington, KY

"Great delay pedal!"

Overall: 5 out of 5 stars
(see rating details)
Verified Customer zZounds has verified that this reviewer made a purchase from us.
This is a really cool delay pedal! I really like how many features there are such as different delay times, an analog feature, and reverse feature. The tap tempo feature is really handy too for on-the-fly delay timing. The only slight downside is that it takes a while to dial in the perfect delay setting, depending on what you're looking for.

Musical Background:

Bedroom/Basement Jammer

Musical Style:

Metal, classical, jazz
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