AtlasIED AF140 High-Quality 140W Autotransformer

Optimize audio distribution in paging, security and surveillance systems with the AtlasIED AF140 high-quality autotransformer. This AtlasIED transformer is engineered for B2B integrators and AV/security contractors who need reliable impedance matching to maximize amplifier efficiency and deliver intelligible voice paging and monitoring across speaker networks. The AF140’s single-coil design with multiple taps allows precise matching to a wide variety of loudspeaker loads, removing guesswork during system configuration. Each unit supports up to 150W of output power, and two AF140s can be connected in series to achieve 300W handling for larger zones. The compact open-frame footprint (3.4" x 1.4" x 4.1") fits neatly into racks and enclosures while providing robust performance for commercial PA, surveillance audio, and monitoring applications. NDAA-compliant construction and a 60-month limited warranty make the AF140 a dependable choice for long-term deployments. Specify the AtlasIED AF140 autotransformer to simplify installations and improve audio clarity — ideal for security, public address, and integrator projects. Contact your distributor to order or request configuration guidance.

• Simplifies system integration by providing flexible impedance matching for PA, security and surveillance speaker deployments
• Multiple taps on a single-coil design let you precisely match amplifier outputs to loudspeaker loads for clearer paging and monitoring
• Handles up to 150W per unit, and can be connected in series to increase capacity to 300W for larger installations
• Compact, open-frame construction saves rack space while delivering reliable performance in commercial and security audio systems
• Backed by a 60-month limited warranty and NDAA compliance for long-term peace of mind in sensitive installations