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Pre-install backcan for use with CSS8004 speaker.

For suspended ceilings, tile rail is CSS-TR4/8.

Comes in packs of 6 pcs CSS-BB4x6, for 6 speakers.


  • Compatibility:  CSS8004 speaker, CSS-TR4/8 tile rails
  • Dimensions: 89 mm deep x 214 mm diameter (3.5 x 8.4 in)
  • Air Space:  1.4 liters (0.05 cu ft)
  • Material:  Zinc-plated, powder-costed steel
  • Conduit Knockouts:  Five

Safety Agency:  Suitable for use in air handling spaces per UL1480, UL2043, NFPA 90 & NFPA 70, when installed with corresponding UL Listed loudspeaker. S7232/UL Listed, Signaling Speaker. CUL Listed. In accordance with IEC60849/EN60849.


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