Lowell TLM-425 Line Matching Transformer, 25V, 4W

Optimize audio distribution for paging, security and surveillance with the Lowell Manufacturing TLM-425 line matching transformer. Engineered for dependable voice intelligibility, the TLM-425 minimizes insertion loss and maintains a wide frequency response so alarms, announcements and monitoring feeds remain clear across distributed speaker lines. The 25V, 4W power rating supports zoned paging and line-level integration in commercial, retail, education and institutional deployments.

This open-frame transformer features the industry-standard open-housing design and color-coded leads for faster, error-free wiring — reducing installer time and on-site troubleshooting. Its robust audio handling makes it ideal for systems where consistent monitoring, clear public address and reliable security audio are essential. Integrate the TLM-425 into surveillance audio feeds, access control intercoms or multi-zone paging networks to improve overall system performance.

Specify the Lowell TLM-425 for dependable, easy-to-install audio matching in security, surveillance and monitoring projects — order now for your next deployment.

• Delivers clear, intelligible paging and audio for security and surveillance systems with low insertion loss
• Wide frequency response preserves speech and monitoring audio fidelity across zones
• Compact open-frame design with color-coded leads reduces installation time and labor costs
• 25V, 4W rating enables flexible zoned paging and line-level integration for commercial and institutional sites
• Durable construction ensures reliable performance in continuous monitoring, paging and security applications