140W Audio Power Capability, 30Hz to 15kHz Frequency Response, Multi-Tap Configuration, Single-Coil Speaker Matching Autotransformer, Steel Chassis Mount Frame Shell, -20°C to +85°C Commercial Sound Window | High-performance commercial audio impedance matching transformer manufactured by AtlasIED (Atlas Sound) featuring a precision-wound inductive coil with flexible selection taps, explicitly engineered to isolate operational distortion profiles, maximize acoustic response stability, and cleanly match heavy multi-speaker distribution arrays to pro-amplifier outputs across massive theater and public address networks | Industry Exact Equivalents: Atlas Sound AF140, AtlasIED AF140, Atlas AF140 Autoformer | Industry Functional Cross-References: Bogen T725, Electro-Voice AT140, TOA MT-140[1, 2, 3]