RDL TX-AT1 Audio Isolation Transformer

When clear, reliable audio is critical—such as in mass notification, surveillance, or security paging—the Radio Design Labs TX-AT1 audio isolation transformer delivers dependable performance and protection. This Max-TX series module provides 1:1 transformer coupling and galvanic isolation to remove hum and ground-loop interference while preserving studio-quality clarity and headroom. The bifilar 600 Ω primary/secondary windings are optimized for low-impedance sources and allow easy conversion between balanced and unbalanced lines, helping you integrate cameras, intercoms, PA systems, or monitoring equipment without added converters. Barrier-block connections and a rugged chassis support versatile mounting in racks, rail mounts, or tight equipment spaces, streamlining installs for integrators and AV professionals. Compact dimensions and durable construction make the TX-AT1 ideal for both permanent security installations and temporary monitoring deployments. Specify the Radio Design Labs TX-AT1 to protect signal integrity across your security, surveillance, and mass-notification audio paths—contact your distributor or add to your cart to deploy cleaner, interference-free audio today.

• Eliminates ground-loop noise and protects downstream equipment with studio-quality galvanic isolation
• 1:1 bifilar transformer coupling preserves audio fidelity and headroom for clear voice reproduction in mass notification and security audio paths
• Accepts balanced or unbalanced inputs/outputs to simplify integration with PA, surveillance, and monitoring systems
• Barrier-block connections and Max-TX rugged format enable secure rack, rail, or surface mounting for permanent installations
• Compact footprint (3.1" W x 2.1" D x 1.8" H) and a 3-year limited warranty reduce installation complexity and downtime