The AtlasIED SM42T-B is a compact, two-way surface-mount loudspeaker system engineered for both indoor and outdoor applications. It boasts a weather-resistant construction with a UV-resistant, talc-impregnated polypropylene enclosure, ensuring durability in various environments. The system comprises a 4" polypropylene woofer and a 1" ferrofluid-cooled dome tweeter, delivering a frequency response from 115Hz to 16kHz. For installation flexibility, it includes a color-matched, heavy-duty zinc chromate-plated and powder-coated C-bracket, allowing for horizontal or vertical mounting. The integrated 16W 70.7V/100V transformer offers selectable power taps at 2, 4, 8, and 16 watts, with an 8? bypass option. Additionally, the PolyGuard high-frequency protection circuit is designed to protect the tweeter from damaging transient signals, ensuring reliable performance over time.