Black JBL CSS-BB8x6 commercial speaker back box enclosure showing circular design with mounting points and conduit knockouts

Engineered Back Box Design Maximizes Sound Performance

The JBL CSS-BB8x6 speaker enclosure features a precision-engineered design with 4 liters of air space, optimizing acoustic performance for commercial audio installations. The robust zinc and steel construction provides a stable mounting platform while ensuring consistent sound reproduction across the entire frequency range. Strategic placement of five conduit knockouts - four on the sides at 90-degree intervals and one centered on the top panel - enables flexible installation options while maintaining the enclosure's acoustic integrity. The 11.25-inch diameter bolt mounting pattern with four attachment points ensures secure installation using the included M4 machine screws.

Technical Specifications

  • 4-liter internal air space for optimal acoustic performance
  • Zinc and steel construction for durability and sound integrity
  • 5 conduit knockouts for flexible installation routing
  • 11.25-inch diameter mounting pattern with 4 secure points

Applications

  • Commercial ceiling speaker installations
  • Professional audio system integration
  • Code-compliant institutional sound systems

Product details

General Information
Manufacturer

Harman International Industries, Inc

Manufacturer Part Number

CSS-BB8x6

Brand Name

JBL

Product Model

CSS-BB8x6

Product Name

CSS-BB8x6 Speaker Enclosure

Product Type

Speaker Enclosure

Physical Characteristics
Product Color

Black

Product Material

Zinc
Steel

Depth

4.3''

Weight (Approximate)

2 lb

Miscellaneous
Package Contents

  • CSS-BB8x6 Speaker Enclosure
  • 4 x (M4 x 8) mm Machine Screws

Additional Information

  • Bolt Mount Circle: 4 points on 11.25'' diameter
  • Air Space: 4 liters
  • Conduit Knockouts: 4 on sides spaced at 90° and 1 at center of top panel
  • Attachment Points: 4 points on 11.25'' diameter with clip nuts for 4 screws

Safety Approvals:

  • UL1480
  • UL2043
  • NFPA 90
  • NFPA 70
  • S7232/UL
  • cUL
  • IEC60849/EN60849

Compatibility

JBL Pro Products:

  • CSS-8008 Speaker
  • CSS-8018 Speaker
  • CSS-TR4/8 Tile Rails

Included in the Box

  • icon_list|speaker enclosure|Speaker Enclosure Main unit icon

    Speaker Enclosure

  • icon_list|machine screws|Machine Screws Hardware icon

    Machine Screws

FAQs

What is the JBL CSS-BB8x6 and what is its primary purpose?
The JBL CSS-BB8x6 is a professional-grade speaker enclosure designed for mounting and protecting JBL speakers. It's specifically engineered for commercial sound installations, providing a secure housing with 4 liters of air space and multiple mounting options. The enclosure is compatible with CSS-8008 and CSS-8018 speakers, making it ideal for commercial and professional audio installations.
What are the mounting specifications of the CSS-BB8x6?
The CSS-BB8x6 features a 4-point bolt mount circle on an 11.25" diameter. It comes with 4 attachment points equipped with clip nuts and includes 4 M4 x 8mm machine screws for secure installation. The enclosure also features 4 conduit knockouts positioned at 90-degree intervals on the sides, plus an additional knockout at the center of the top panel for flexible installation options.
What safety certifications does the JBL CSS-BB8x6 have?
The JBL CSS-BB8x6 meets numerous safety standards including UL1480, UL2043, NFPA 90, NFPA 70, S7232/UL, cUL, and IEC60849/EN60849. These certifications ensure the enclosure meets strict safety requirements for commercial and professional installations, particularly in terms of fire safety and electrical standards.
What are the physical specifications of the CSS-BB8x6?
The CSS-BB8x6 has a depth of 4.3 inches and weighs approximately 2 pounds. It's constructed from durable zinc and steel materials and comes in a black finish. The enclosure provides 4 liters of air space, making it suitable for optimal speaker performance while maintaining a compact form factor.
Which JBL speakers is the CSS-BB8x6 compatible with?
The CSS-BB8x6 is specifically designed to be compatible with JBL Pro Products including the CSS-8008 Speaker and CSS-8018 Speaker. It's also compatible with CSS-TR4/8 Tile Rails for versatile installation options in various commercial environments.

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