Klipsch Reference Series PRO-18-RC In-Ceiling Speaker (Each)
Architectural in-ceiling loudspeaker • 8" Cerametallic woofer • 1" Aluminum Dome FEA tweeter on Tractrix® horn • SecureFit™ installation system • magnetic paintable round & square grilles included
The Klipsch Reference Series PRO-18-RC In-Ceiling Speaker (Each) 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.
Key Features & Innovations
Reference Series high-output performance — the Klipsch Reference Series PRO-18-RC In-Ceiling Speaker (Each) combines legendary Klipsch horn geometry with high-efficiency copper drivers to fill larger rooms with dynamic overhead sound.
Large 8-inch Spun-Copper Cerametallic Woofer — ultra-rigid, lightweight woofer cone delivers high acoustic output with minimal distortion and extended mid-bass impact.
1-inch Aluminum Dome LTS Tweeter with Tractrix® Horn — custom FEA-optimized phase plug and 90° x 90° horn dispersion focus smooth high frequencies directly into primary listening areas.
Patent-pending SecureFit™ Modular Installation System — two-piece collar frame secures directly to drywall before speaker module drop-in, eliminating frame flex and reducing ceiling vibration noise.
Includes both round and square magnetic grilles — ships with both round and square magnetic, paintable flat steel grilles for maximum flexibility when matching room light fixtures and vents.
FAQ — PRO-18-RC
Is this speaker sold individually or as a pair?
This product listing is for a single (each) Klipsch Reference Series PRO-18-RC In-Ceiling Speaker (Each). Please select the total quantity needed for your multi-room or spatial height audio layout.
What is the difference between the PRO-18-RC and PRO-16-RC?
The 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.
Can this in-ceiling speaker be used for Dolby Atmos height channels?
Yes. 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.
Are both round and square magnetic grilles included in the box?
Yes. 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.
Why Buy From Us
Authorized Klipsch dealer offering 100% factory-authentic architectural speakers with full manufacturer warranty protection
Expert custom audio consultants available to assist with cutout dimensions, ceiling mounting depth, and amplifier pairing
Dedicated post-purchase technical support for multi-zone distribution and home theater layout planning
Fast, secure shipping with protective heavy-duty packaging on every order
Related & System Matches
Klipsch Reference Series in-wall LCR and surround loudspeakers
Multi-room streaming amplifiers and AV receivers
CL2/CL3 fire-rated in-ceiling speaker wire and pre-construction bracket kits
