Lowell TLM-425 Line Matching Transformer, 25V, 4W
Special Order: typically 2–6 weeks
Ships directly from the manufacturer. This is an estimated lead time, not a guaranteed delivery date.
Availability can change and lead times may be longer. If your project has a deadline, check with us before ordering.
A member of our team will check with the manufacturer and personally reply by email.
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Key Features
- 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
Quick Specifications
- Product Model
- TLM-425
- Brand Name
- Lowell Manufacturing
- Product Name
- Line Matching Transformer, 25V 4W
- Product Type
- Open Frame
Explore the details
Product information
TLM-425
Overview
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.
Features
- 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
| General Information | |
|---|---|
| Brand Name | Lowell Manufacturing |
| Product Name | Line Matching Transformer, 25V 4W |
| Product Type | Open Frame |
| Manufacturer Part Number | TLM-425 |
| Power Description | |
| Power Rating | 4W |
| Input Voltage | 25V |
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Plan your purchase
Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- TLM-425
- Manufacturer part:
- TLM-425
How do I confirm compatibility?
Check the specifications and manufacturer documents for your existing system. Send us your model numbers and project requirements if you need help selecting equipment or accessories.
Ask a product specialistWhen will this item ship?
Availability is shown above. Special-order items and project quantities may need additional lead time. Contact us to confirm a delivery date before scheduling installation.
Shipping, freight and delivery detailsWhat should I know about returns?
Returns require an approved RMA. Consult the linked return policy for deadlines and eligibility. For standard non-defective returns, eligible factory-sealed items carry a 15% restocking fee and customer-paid return shipping; open-box and used items are refused. Defective and DOA claims follow the policy's separate terms. Special orders and other exclusions are final sale.
Read return eligibility and exclusionsLowell TLM-425 Line Matching Transformer, 25V, 4W
TLM-425