JBL brand suspended ceiling mounting bars compatible with CSS-BB4x6 and CSS-BB8x6 boxes (12-pack) Model CSS-TR4/8x12

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Product description

JBL brand suspended ceiling mounting bars compatible with CSS-BB4x6 and CSS-BB8x6 boxes (12-pack) Model CSS-TR4/8x12


  • The JBL CSS-TR4/8x12 mounting rails are designed to provide a professional and secure mounting method for CSS-BB4x6 and CSS-BB8x6 rear speaker boxes in suspended ceilings.
  • The bars come with a robust metal design coated with zinc for rust resistance, making them ideal for use in commercial environments and large acoustic projects.
  • Availability Fixing bars High stability of the speakers inside ceilings with full compliance with global safety standards, to ensure stable sound performance and a professional appearance.
  • The bars are sold in a pack of 12 pieces, enough to fit 6 backcans.


Technical description:

  • It is The CSS-TR4/8x12 mounting bars are an essential part of JBL Commercial Series audio systems, precisely engineered to fit 4-inch and 8-inch rear speaker boxes.
  • The bars are made from precision-punched/formed steel with a corrosion-resistant zinc coating to ensure long-lasting durability.
  • The rod is 600 mm long with a width of 36 mm and a thickness of 8 mm, giving it the perfect balance between rigidity and ease of installation.
  • It has two mounting points that attach directly to the rear box, and comes equipped with M4 x 8 mm screws for a secure and quick installation.


Technical specifications:

  • Compatibility: CSS-BB4x6 and CSS-BB8x6 back boxes
  • Dimensions: 600 x 36 x 8 mm (23.6 x 1.4 x 0.3 inches)
  • Material: Perforated and shaped steel, zinc-plated for corrosion resistance
  • Fixing points: Two points per rod
  • Net weight (per rod): 0.18 kg (0.4 lb)
  • Weight when shipping: 0.21 kg (0.5 lb)
  • Included accessories: M4 x 8 mm screws for mounting the rails
  • Number of pieces in the package: 12 pieces (enough for 6 back boxes)
  • Certifications: UL1480, UL2043, NFPA90, NFPA70, CUL, IEC60849/EN60849
  • Use in plenum ceilings: Yes


Key features:

  • Strong and durable metal design to withstand long-term commercial use
  • Corrosion-resistant coating maintains appearance and performance in humid environments.
  • Easy to install and fix thanks to the included screws
  • Perfect compatibility with JBL CSS-BB4x6 and CSS-BB8x6 boxes
  • Safe for use in plenum-rated roofs
  • It comes in an economical pack (12 pieces) for easy installation of six ceiling speakers.
  • Certified according to UL and NFPA safety and quality standards


Product summary:

  • The JBL CSS-TR4/8x12 ceiling mounting rails were developed to be the practical and ideal solution for mounting rear speaker boxes in suspended ceilings, while maintaining safety and stability in all conditions.
  • It features easy installation, durable construction, and full compatibility with JBL Commercial Series products, making it an essential component of any professional audio system.


Additional features:

  • Suitable for installation in all types of commercial suspended ceilings
  • Lightweight and easy to handle during installation
  • It contributes to improving load distribution and reducing pressure on roof tiles.
  • The final appearance of the audio system is enhanced through a well-organized and secure installation.
  • Complies with international standards for acoustic safety and commercial buildings.


Applications used for the product:

  • Offices and administrative facilities
  • Shops and malls
  • Schools and meeting rooms
  • Hospitals and airports
  • Hotels and conference centers
  • Commercial and professional audio projects


Summary and final advice:

  • If you are looking for ceiling mounting rails for a strong and secure installation of JBL commercial speaker systems, then JBL CSS-TR4/8x12 mounting bars are the perfect choice for you.
  • Thanks to its high-quality metal design and UL and NFPA certification, this product ensures professional installation, consistent performance, and complete safety in all commercial environments.
  • Choosing it means getting a reliable and integrated installation solution with CSS-BB4x6 and CSS-BB8x6 boxes to equip your audio projects to the highest quality standards.
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