{"product_id":"atlasied-apf-15tu","title":"AtlasIED APF-15TU Flanged Emergency Horn Speaker With Transformer","description":"\u003cp\u003eThe AtlasIED APF-15TU is engineered for systems integrators and life-safety contractors who need a single speaker that can handle voice evacuation, tone signaling, and mass notification across a wide range of distributed audio infrastructures. The built-in 25\/70.7V Vari-Tap transformer with a seven-position screwdriver-adjustable watt\/impedance switch gives installers precise tap selection without additional hardware, making it a practical choice for both new construction and retrofit projects where design flexibility matters.\u003c\/p\u003e\u003cp\u003eThe double re-entrant acoustic path and high-efficiency compression driver deliver 104 dB sensitivity and intelligible voice reproduction from 600 Hz to 14 kHz, ensuring compliance-critical voice alarm signals cut through ambient noise in industrial plants, warehouses, transportation hubs, and large commercial facilities. The all-metal, environment-resistant enclosure is built to withstand humidity, vermin, physical abuse, and corrosion, making it equally appropriate for indoor corridors and exposed exterior mounting positions.\u003c\/p\u003e\u003cp\u003eFlush or recessed installation into a 5.5-inch deep opening gives contractors mounting flexibility across ceiling and wall applications, and compatibility with AtlasIED L20 Series grilles, enclosures, and mounting rings streamlines accessory sourcing. California State Fire Marshal Listed status and UL 1480 certification satisfy the documentation requirements most AHJs demand on life-safety submittals, reducing approval friction on commercial and institutional projects.\u003c\/p\u003e","brand":"Atlas Sound, L.P. - Mitek","offers":[{"title":"Default Title","offer_id":52445595205816,"sku":"13503","price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/13503_ATLAS-APF-15TU_ALT01.jpg?v=1783368607","url":"https:\/\/soundpro.com\/products\/atlasied-apf-15tu","provider":"SoundPro","version":"1.0","type":"link"}