Triad Subwoofer Silver FlexSub

The Silver FlexSub is a version of Triad’s powerful Silver Sub that has been configured to install behind a ceiling, cabinet toekick, baseboard, wall, or crawl space. The bass is channeled through a damped, coiled, expandable, flexible tube that terminates with one of two grills; a very small standard Triad grill, or a vent outlet.


  • Flexible installation with remote mounting.
  • Triad AcoustiPerf metal grill (size S) available in three designs:
  • Narrow, Wide, and Frameless or Vent Register (7-1/2″ x 12-1/2″)
  • Custom paint available.
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