Speco Technologies SP5MATB 5.25" 25/70V speaker with Backbox - BL

Speco Technologies SP5MATB 5.25" Speaker with Backbox

Overview

The Speco Technologies SP5MATB is a 5.25-inch in-ceiling speaker engineered for commercial security and voice alarm applications. Built with an integrated backbox, the SP5MATB delivers consistent audio coverage in indoor distributed audio systems. The unit features a 25/70V transformer configuration, making it compatible with standard commercial speech distribution networks used in security facilities, retail environments, and institutional settings.

The SP5MATB is designed for installers and integrators managing multi-zone audio deployments where speaker impedance matching and transformer-based level control are essential. The combination of speaker cone and integrated backbox eliminates the need for separate housing components, streamlining installation timelines.

Key Features

• 5.25-inch speaker cone — mid-range frequency response optimized for speech clarity and alert tone reproduction in commercial environments
• 25/70V transformer — enables voltage-based level adjustment and multi-zone distribution without separate transformer hardware
• Integrated backbox — pre-engineered enclosure eliminates secondary housing procurement and reduces installation labor
• Ceiling-mount configuration — professional in-ceiling placement for distributed audio in corridors, lobbies, and common areas
• Commercial-grade construction — suitable for continuous-duty voice alarm and paging applications in security and life-safety systems
• Black finish — matches standard commercial ceiling tile and architectural finishes

Integration & Compatibility

The SP5MATB integrates into transformer-based distributed audio systems common in security control centers, access control installations, and facility-wide paging networks. The 25/70V transformer is the industry standard for commercial voice alarm circuits, allowing the speaker to operate within existing multi-speaker arrays without additional impedance calculation or matching hardware.

Integrators managing parallel speech circuits, redundant announcement systems, or zone-based audio distribution will find the SP5MATB compatible with standard 25V and 70V transformer-equipped amplifiers and paging controllers. The backbox design accommodates standard in-ceiling cutouts, reducing on-site fabrication and compatibility risk.

Package Contents

Each SP5MATB unit includes the 5.25-inch speaker with transformer and integrated backbox assembly, ready for in-ceiling installation.

Eden Phillips

During system design and deployment planning, the Speco SP5MATB speaker delivers straightforward integration into distributed audio networks. This unit is purpose-built for integrators working with transformer-based voice alarm systems where speaker placement, impedance matching, and zone-level control matter equally. The integrated backbox eliminates procurement friction and accelerates ceiling installation, which is a meaningful advantage in multi-floor commercial deployments.

Technical Highlights:

• 25/70V Transformer Design: Enables voltage-level adjustment across multiple speakers without additional transformer isolation or impedance calculation, reducing wiring complexity in large-zone systems.
• 5.25-inch Cone: Optimized mid-range response ensures speech intelligibility and audible alert tone reproduction in corridors, atriums, and common areas typical of commercial security deployments.
• Integrated Backbox: Pre-engineered enclosure eliminates secondary housing selection, reducing BOM complexity and installation time on new builds and retrofits.

Deployment Considerations:

• Confirm 25V or 70V circuit availability from the paging amplifier or access control system before specifying quantity and location.
• Verify in-ceiling cutout dimensions and structural support to match the backbox form factor during pre-installation survey.
• Plan speaker quantity and placement to achieve minimum 85 dB(A) sound pressure level at seated listener height, per typical commercial code requirements for intelligibility.

The SP5MATB is a reliable choice for integrators building or upgrading distributed audio systems in retail, office, healthcare, and secure facility environments. Its transformer-based design and pre-packaged backbox eliminate common procurement delays and simplify the bill of materials for multi-zone voice alarm projects.