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Video Library
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DD-20 Demo Video
Gary Lenaire shows off the DD-20 Digital Delay.
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Guitar Tone Clinic, Part 1
Steve Marcia talks to BOSS about his favorite DD-20 tempo-based features.
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Guitar Tone Clinic, Part 2
Steve Marcia talks to BOSS about the DD-20's sound-on-sound recording capabilities.
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Guitar Tone Clinic, Part 3
Steve Marcia talks to BOSS about combining the DD-20 with the RT-20 Rotary Ensemble.
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John Wesley Interview
John Wesley of Porcupine Tree talks to BOSS about his favorite pedals.

Audio Library
- Video
- Audio
23 Seconds of Pro-Quality Delay
With up to 23 seconds of delay, the DD-20 easily outshines the competition and can even double as a sound-on-sound pedal. Delay time can be adjusted via tap tempo or using a knob, which also features a push function to set the delay range more quickly. Eleven delay modes are provided covering everything from analog and tape delay to reverse delay and more. A new Memory function makes it possible to change delay modes
New “Smooth” and “Twist” Modes
The DD-20 also introduces two all-new delay effects that are sure to blow some minds. Twist creates wild delay effects similar to “over the top” manipulation of an analog tape echo, while Smooth creates ultra-smooth delay effects. This is a pedal no guitarist should be without!