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JBL Commercial Products


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.


  Version Language Size Uploaded
CSS-BB4 Cut Sheet-English   en  1.19 MB Oct 07, 2011
JBL Commercial Brochure     1.24 MB Sep 12, 2018
Application Guides
CS Series Application Guide (English)     4.99 MB Aug 27, 2015
CS Series Application Guide (Chinese)     9.62 MB Aug 27, 2015

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