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Quantum Audio Designs SI Series Patch Cable

CLICK HERE TO VIEW SHOP POLICIES The Quantum SI series instrument cables are designed to offer exceptional audio performance while providing the user with an extremely durable cable. 10 year warranty.


  • 918 W. GARLAND AVE.
    SPOKANE, WA 99205
  • 1-509-325-8353
  • Monday - Friday 10am - 6pm
    Saturday  10am - 5pm
    Closed Sunday's