Open Ceiling Square Beam Mount Speaker System with 8″ Driver & Transform

The AtlasIED SBMS combines an 8-inch loudspeaker, enclosure, and transformer in a square beam-mount system developed specifically for open-ceiling applications. Its 8-inch dual-cone speaker supports paging and BGM, while the integrated configuration brings the principal audio components together in one surface-mount product. Documented performance includes 92dB sensitivity, an 85Hz–20kHz frequency response, 105-degree dispersion, and five selectable power taps.

Ideal Use Cases

The SBMS is intended for open-ceiling projects where both paging and BGM are required. Its square beam-mount, surface-mount configuration is suited to installations that call for a complete speaker, enclosure, and transformer combination rather than an individual loudspeaker component. The 105-degree dispersion specification provides a defined coverage characteristic for system planning, while the available transformer taps allow the speaker level to be configured within the design of the distributed audio system.

Because paging and BGM are identified as its primary applications, the SBMS can serve projects that need spoken announcements and program audio from the same installed loudspeaker system. Its published frequency response, sensitivity, dispersion, and power-tap data give system designers concrete values to use when evaluating placement and system requirements.

Why Choose This Model

The central advantage of the SBMS is its purpose-built combination of an 8-inch dual-cone loudspeaker, enclosure, and transformer. Each of these elements is part of the documented product configuration, making the model more complete than a standalone driver. The design is specifically identified for open ceilings, aligning its form and function with that installation type.

Five power settings are available: 0.25, 0.5, 1, 2, and 4 watts. This range allows the selected tap to be matched to the requirements of the audio system. The 60-month warranty, measured from the date of purchase, also provides a clearly stated period of manufacturer coverage.

Installation and Integration

The SBMS is described as both an open-ceiling surface-mount speaker and a square beam-mount speaker system. Its combined enclosure and transformer configuration supports integration as a complete assembly. During system setup, the appropriate power tap can be selected from 0.25, 0.5, 1, 2, or 4 watts according to the project design.

The documented 105-degree dispersion can be considered when determining speaker placement and coverage. Sensitivity is rated at 92dB, providing another defined value for system planning. The source data identifies the transformer as part of the combination but does not specify connection types or transformer voltage within the listed technical specifications.

Performance Highlights

• Speaker type: 8-inch dual cone
• Sensitivity: 92dB
• Frequency response: 85Hz–20kHz
• Dispersion: 105 degrees
• Power taps: 0.25, 0.5, 1, 2, and 4 watts
• Primary applications: Paging and BGM in open-ceiling installations
• Safety listing: 1480
• Warranty: 60 months from the date of purchase

These specifications define the SBMS as a distributed-audio speaker system with multiple tap choices and a documented operating range extending from 85Hz to 20kHz. The dual-cone driver, 92dB sensitivity, and 105-degree dispersion form the core of its published audio performance.

What Makes It Different

The SBMS is differentiated by the way its application and components are combined. It is not presented only as an 8-inch driver; it includes the enclosure and transformer and is designed specifically around open-ceiling use. That focus gives the model a distinct role in paging and BGM systems requiring a beam-mounted or surface-mounted speaker assembly.

Its five transformer tap options provide more than one available power setting, while the stated dispersion and sensitivity offer measurable parameters for system planning. The dual-cone design and 85Hz–20kHz response are also clearly documented, allowing direct evaluation of the speaker against project requirements.

Final Assessment

The AtlasIED SBMS is a focused open-ceiling speaker solution for paging and BGM. It combines an 8-inch dual-cone loudspeaker, enclosure, and transformer with 92dB sensitivity, 105-degree dispersion, and selectable power taps up to 4 watts. For projects requiring this mounting format and component combination, the SBMS provides a clearly specified audio package backed by a 60-month warranty from the date of purchase.