{"product_id":"klipsch-reference-series-pro-18-rc-in-ceiling-speaker-each","title":"Klipsch Reference Series PRO-18-RC In-Ceiling Speaker (Each)","description":"\u003c!-- ======================================================\n     Klipsch Reference Series PRO-18-RC In-Ceiling Speaker (Each) — AL (bh-*) HTML\n     Two-Column Layout (Overview left \/ Specifications right)\n     Long-tail keyword used 5×: “Klipsch Reference Series PRO-18-RC In-Ceiling Speaker (Each)”\n     ====================================================== --\u003e\n\u003cstyle\u003e\n  .bh-wrap{max-width:1100px;margin:0 auto;padding:1rem 1.25rem;line-height:1.6}\n  .bh-title{font-size:3rem;margin:.25rem 0 1rem}\n  .bh-sub{font-style:italic;margin:0 0 1.25rem}\n  .bh-grid{display:grid;gap:1.25rem}\n  @media(min-width:900px){.bh-grid{grid-template-columns:1.3fr .7fr;align-items:start}}\n  .bh-section{margin:2rem 0}\n  .bh-section h2{margin-top:0}\n  .bh-bullets{list-style:disc;padding-left:1.25rem;margin:.5rem 0 0}\n  .bh-specs{width:100%;border-collapse:collapse}\n  .bh-specs th,.bh-specs td{border:1px solid #e5e7eb;padding:.65rem;vertical-align:top}\n  .bh-specs th{width:42%;background:#f8fafc;text-align:left}\n  .bh-badge{display:inline-block;border:1px solid #e5e7eb;border-radius:999px;padding:.2rem .6rem;margin:.15rem .3rem 0 0;font-size:.85rem}\n  .bh-badges{margin-top:.5rem}\n  .bh-faq details{border:1px solid #e5e7eb;border-radius:.5rem;padding:.75rem 1rem;margin:.5rem 0;background:#fafafa}\n  .bh-faq summary{font-weight:600;cursor:pointer}\n  .bh-note{font-size:.95rem;opacity:.9}\n  .bh-condition{display:inline-block;border:1px solid #e5e7eb;border-radius:999px;padding:.3rem .75rem;margin:.5rem 0 0;font-size:.85rem;background:#fafafa}\n\u003c\/style\u003e\n\u003cdiv class=\"bh-wrap\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Product\"\u003e\n\u003ch1 class=\"bh-title\" itemprop=\"name\"\u003eKlipsch Reference Series PRO-18-RC In-Ceiling Speaker (Each)\u003c\/h1\u003e\n\u003cp class=\"bh-sub\"\u003eArchitectural in-ceiling loudspeaker • 8\" Cerametallic woofer • 1\" Aluminum Dome FEA tweeter on Tractrix® horn • SecureFit™ installation system • magnetic paintable round \u0026amp; square grilles included\u003c\/p\u003e\nThe \u003cstrong\u003eKlipsch Reference Series PRO-18-RC In-Ceiling Speaker (Each)\u003c\/strong\u003e delivers deep low-frequency extension, high output, and signature Reference Series dynamics to custom architectural home cinema and multi-room installations. Featuring a large 8-inch spun-copper Cerametallic woofer paired with a 1-inch Aluminum Dome Linear Travel Suspension (LTS) tweeter on a 90° x 90° Tractrix® horn, this high-performance in-ceiling speaker uses Klipsch’s modular SecureFit™ installation system and comes standard with both round and square magnetic bezel-free grilles to complement any interior aesthetic.\n\u003cdiv class=\"bh-grid\"\u003e\n\u003cdiv\u003e\n\u003csection id=\"features-and-tech\" class=\"bh-section\"\u003e\n\u003ch2\u003eKey Features \u0026amp; Innovations\u003c\/h2\u003e\n\u003cul class=\"bh-bullets\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference Series high-output performance\u003c\/strong\u003e — the \u003cstrong\u003eKlipsch Reference Series PRO-18-RC In-Ceiling Speaker (Each)\u003c\/strong\u003e combines legendary Klipsch horn geometry with high-efficiency copper drivers to fill larger rooms with dynamic overhead sound.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge 8-inch Spun-Copper Cerametallic Woofer\u003c\/strong\u003e — ultra-rigid, lightweight woofer cone delivers high acoustic output with minimal distortion and extended mid-bass impact.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-inch Aluminum Dome LTS Tweeter with Tractrix® Horn\u003c\/strong\u003e — custom FEA-optimized phase plug and 90° x 90° horn dispersion focus smooth high frequencies directly into primary listening areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatent-pending SecureFit™ Modular Installation System\u003c\/strong\u003e — two-piece collar frame secures directly to drywall before speaker module drop-in, eliminating frame flex and reducing ceiling vibration noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes both round and square magnetic grilles\u003c\/strong\u003e — ships with both round and square magnetic, paintable flat steel grilles for maximum flexibility when matching room light fixtures and vents.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection id=\"faq\" class=\"bh-section bh-faq\"\u003e\n\u003ch2\u003eFAQ — PRO-18-RC\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this speaker sold individually or as a pair?\u003c\/summary\u003e\n\u003cp\u003eThis product listing is for a single (each) \u003cstrong\u003eKlipsch Reference Series PRO-18-RC In-Ceiling Speaker (Each)\u003c\/strong\u003e. Please select the total quantity needed for your multi-room or spatial height audio layout.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between the PRO-18-RC and PRO-16-RC?\u003c\/summary\u003e\n\u003cp\u003eThe PRO-18-RC features a larger 8-inch Cerametallic woofer (compared to the 6.5-inch woofer on the PRO-16-RC), providing deeper bass response, higher efficiency, and greater overall power handling for larger spaces.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan this in-ceiling speaker be used for Dolby Atmos height channels?\u003c\/summary\u003e\n\u003cp\u003eYes. With its 90° x 90° Tractrix horn dispersion and high sensitivity, it makes an ideal overhead elevation channel for Dolby Atmos, DTS:X, and Auro-3D surround installations.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre both round and square magnetic grilles included in the box?\u003c\/summary\u003e\n\u003cp\u003eYes. Both round and square flat bezel-free magnetic steel grilles are included with every speaker so you can choose the exact look that matches your ceiling design.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection id=\"why-buy\" class=\"bh-section\"\u003e\n\u003ch2\u003eWhy Buy From Us\u003c\/h2\u003e\n\u003cul class=\"bh-bullets\"\u003e\n\u003cli\u003eAuthorized Klipsch dealer offering 100% factory-authentic architectural speakers with full manufacturer warranty protection\u003c\/li\u003e\n\u003cli\u003eExpert custom audio consultants available to assist with cutout dimensions, ceiling mounting depth, and amplifier pairing\u003c\/li\u003e\n\u003cli\u003eDedicated post-purchase technical support for multi-zone distribution and home theater layout planning\u003c\/li\u003e\n\u003cli\u003eFast, secure shipping with protective heavy-duty packaging on every order\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection id=\"related\" class=\"bh-section\"\u003e\n\u003ch2\u003eRelated \u0026amp; System Matches\u003c\/h2\u003e\n\u003cul class=\"bh-bullets\"\u003e\n\u003cli\u003eKlipsch Reference Series in-wall LCR and surround loudspeakers\u003c\/li\u003e\n\u003cli\u003eMulti-room streaming amplifiers and AV receivers\u003c\/li\u003e\n\u003cli\u003eCL2\/CL3 fire-rated in-ceiling speaker wire and pre-construction bracket kits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c!-- RIGHT COLUMN --\u003e\n\u003caside\u003e\n\u003csection id=\"specs\" class=\"bh-section\"\u003e\n\u003ch2\u003ePRO-18-RC Specs\u003c\/h2\u003e\n\u003ctable class=\"bh-specs\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003e2-Way Architectural In-Ceiling Speaker (Sold Individually)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHigh-Frequency Driver\u003c\/th\u003e\n\u003ctd\u003e1\" (2.54cm) Aluminum Dome LTS Tweeter mated to a 90° x 90° Tractrix® Horn\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLow-Frequency Driver\u003c\/th\u003e\n\u003ctd\u003e8\" (20.32cm) Spun-Copper Cerametallic Woofer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency Response\u003c\/th\u003e\n\u003ctd\u003e56Hz – 23kHz (±3dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSensitivity\u003c\/th\u003e\n\u003ctd\u003e95 dB @ 2.83V \/ 1m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Handling\u003c\/th\u003e\n\u003ctd\u003e50W RMS \/ 200W Peak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNominal Impedance\u003c\/th\u003e\n\u003ctd\u003e8 Ohms Compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting System\u003c\/th\u003e\n\u003ctd\u003eSecureFit™ Modular Installation System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut-Out Dimensions\u003c\/th\u003e\n\u003ctd\u003e9.8\" (24.9 cm) Diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting Depth\u003c\/th\u003e\n\u003ctd\u003e6.23\" (15.8 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"bh-note\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection id=\"whats-in-the-box\" class=\"bh-section\"\u003e\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul class=\"bh-bullets\"\u003e\n\u003cli\u003eKlipsch Reference Series PRO-18-RC In-Ceiling Speaker (Each)\u003c\/li\u003e\n\u003cli\u003eSecureFit™ installation frame\u003c\/li\u003e\n\u003cli\u003eMagnetic paintable round steel grille\u003c\/li\u003e\n\u003cli\u003eMagnetic paintable square steel grille\u003c\/li\u003e\n\u003cli\u003ePaint shield \u0026amp; cutout template\u003c\/li\u003e\n\u003cli\u003eInstallation guide \u0026amp; warranty documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- No purchase\/CTA section --\u003e\u003c\/aside\u003e\n\u003c\/div\u003e\n\u003cmeta itemprop=\"brand\" content=\"Klipsch\"\u003e \u003cmeta itemprop=\"category\" content=\"In-Ceiling Speakers, Architectural Audio, Home Theater Height Speakers\"\u003e\n\u003c\/div\u003e","brand":"Klipsch","offers":[{"title":"Default Title","offer_id":67633663508846,"sku":"KLIPRO18RC","price":549.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/1537\/4703\/files\/klipsch-reference-series-pro-18-rc-in-ceiling-speaker-each.webp?v=1790873432","url":"https:\/\/audiolab.com\/products\/klipsch-reference-series-pro-18-rc-in-ceiling-speaker-each","provider":"Audiolab","version":"1.0","type":"link"}