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The DD-7 is the fifth version of Boss’s digital delay. It was launched at Musikmesse in Frankfurt, Germany March 2008. In addition to the features found on the DD_6, the DD-7 has longer delay time, connector for tap tempo or expression pedal, emulation of the DM-2 analog delay and a new modulation delay mode. The hold mode can record up to 40 seconds worth of sound.

Boss DD-7 Digital Delay


  • Controls: E.Level, F.Back, D.Time, 8-way Mode Switch
  • Connectors: INPUT A (mono), INPUT B, OUTPUT A (MONO), OUTPUT B, Tempo/Exp, AC Adaptor (DC 9V)
  • Current Draw: 55 mA
  • Weight: 400g / 1lbs (including battery)
  • Nominal Input Level: -20dBu
  • Input Impedance: 1MOhm
  • Nominal Output Level: -20dBu
  • Output Impedance: 1kOhm
  • Residual Noise Level: -90dBu (IHF-A, typ)
  • Recommended Load Impedance: Over 10kOhm
  • Delay Time: 1ms – 6.4s
  • Recommended AC Adaptor: PSA Series


  • Dark Gray – Made In Taiwan

The DD-7 was sold from March 2008 to present.