Fourjay Industries
Plenum Connection Ceiling Speaker Installation System
Engineered for easy installation and quality performance. Designed to maintain integrity of Air Return Ceiling construction and get inspector approval.
- Tested by two independent laboratories
- Listed by Underwriters Laboratories, Inc. for use in ceiling cavity air handling spaces.
- PE8/PB8 assembly passed a Pilot Scale Fire Endurance test as a fixture in a 3 hour rated Tee Bar Floor/Ceiling design.
- Complies with codes for speaker systems in ceiling cavity air return spaces per NFPA 70 (NEC) 1999, part 300-22(c)(2) and NFPA 90A, 1999, Article 2-3. 10.2(a) Exc3.
Components
| Model No. | Image | Description |
| PE8 |  | Enclosure UL Listed when assembled to Support Bridge PB8 or PW8 and Easy twist-lock assembly to bridges. |
| PB8 |  | Support Bridge spans 2'x2' or 2'x4' panel in T-Bar grid ceiling construction. Locate mounting hole in center of ceiling panel. Accepts 4J baffles RE8, RF8 and CR8 series, and industry standard 8" baffles along with 6-1/2" swivel tab mount speakers. |
| PW8 |  | Drywall Bridge for new construction Gypsum board ceilings or walls. Spans studs/joists spaced 16" or 24" centers. Same assembly features as PB8 above. |
| PR8 |  | Ring optional part to secure bridge/enclosure in place before installing baffle or use as a “mud ring” for new work construction. Assembles to PB8 or PW8. |
| PT8 |  | Thermal barrier heat enclosure used in fire barrier in ceiling construction |
Speaker and Mounting System Combos
| Part # | Description |
| ST4-RE8C | Speaker assembly, enclosure, bridge. |
| ST4P-RE8C | Speaker assembly, enclosure, bridge. |
| SDT4-RE8C | Speaker assembly, enclosure, bridge. |
| SDT4P-RE8C | Speaker assembly, enclosure, bridge. |
| ST4-CR8C, TB8, PH8 | Speaker assembly, enclosure, bridge. |
| ST4P-CR8C, TB8, PH8 | Speaker assembly, enclosure, bridge. |
| SDT4-CR8C, TB8, PH8 | Speaker assembly, enclosure, bridge. |
| SDT4P-CR8C, TB8, PH8 | Speaker assembly, enclosure, bridge. |