{"product_id":"procella-audio-p18si-18-sealed-subwoofer","title":"Procella Audio - P18Si - 18″ Sealed Subwoofer","description":"\u003cp\u003eThe \u003cstrong\u003eProcella Audio P18Si\u003c\/strong\u003e is a precision-engineered 18-inch sealed subwoofer designed for high-output, low-frequency performance in luxury home theaters. Featuring a \u003cstrong\u003elong-excursion woofer\u003c\/strong\u003e housed within a \u003cstrong\u003erigid, sealed acoustic suspension cabinet\u003c\/strong\u003e, this subwoofer delivers exceptionally tight and accurate bass response with minimal distortion. Its \u003cstrong\u003esealed enclosure\u003c\/strong\u003e reduces resonance and coloration, ensuring the purest reproduction of deep bass frequencies down to \u003cstrong\u003e21 Hz (-3 dB)\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eBuilt for dedicated external amplification, the P18Si supports a \u003cstrong\u003econtinuous power handling of 1200 W\u003c\/strong\u003e and peaks at \u003cstrong\u003e3000 W\u003c\/strong\u003e, enabling a maximum SPL of \u003cstrong\u003e127 dB continuous\u003c\/strong\u003e and \u003cstrong\u003e133 dB peak at 50 Hz\u003c\/strong\u003e. Optimized for Procella reference systems, it offers scalable performance when multiple units are deployed, making it ideal for large theaters requiring authoritative low-frequency impact. The cabinet is constructed from heavily internally braced MDF finished in a semi-matte textured black paint, and connectivity is facilitated via gold-plated binding posts for optimal signal integrity.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e18\" long-excursion high-output woofer\u003c\/li\u003e\n\u003cli\u003eSealed acoustic suspension design\u003c\/li\u003e\n\u003cli\u003eDesigned for external amplification\u003c\/li\u003e\n\u003cli\u003eHigh maximum SPL for large theaters\u003c\/li\u003e\n\u003cli\u003eOptimized for Procella reference systems\u003c\/li\u003e\n\u003cli\u003eRigid, resonance-reducing enclosure\u003c\/li\u003e\n\u003cli\u003eGold-plated binding posts\u003c\/li\u003e\n\u003cli\u003eHeavily braced MDF cabinet with semi-matte black finish\u003c\/li\u003e\n\u003cli\u003eIncludes damper feet for vibration isolation\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Procella Audio","offers":[{"title":"Default Title","offer_id":43111041171569,"sku":"PA-P18Si","price":5450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0642\/0571\/7617\/files\/6895f2f6820c846267e9caa8_p18si.jpg?v=1774966618","url":"https:\/\/shopodsy.com\/products\/procella-audio-p18si-18-sealed-subwoofer","provider":"ODSY","version":"1.0","type":"link"}