Klipsch CS-18C Ceiling Speaker
Klipsch CS-18C In-Ceiling Speaker – Discreet Performance with Dynamic Clarity
The Klipsch CS-18C is a high-performance in-ceiling speaker designed to deliver clear, room-filling sound while remaining visually discreet. Ideal for home theaters, whole-house audio systems, and commercial environments, the CS-18C offers impressive power handling and sound dispersion in a slim profile that blends seamlessly into any ceiling. Engineered by Klipsch—an industry leader in premium loudspeaker design—the CS-18C combines durable construction with acoustic precision for a premium listening experience without visual clutter.
This speaker features an 8-inch Injection Molded Graphite (IMG) woofer paired with a 1-inch Polymer Dome tweeter in a coaxial configuration, allowing for wide frequency response and smooth high-end detail. The 115° conical dispersion pattern ensures consistent sound coverage throughout the room, making it an excellent choice for both background music and critical listening zones.
Whether you’re upgrading a multi-room audio system or building a new home theater setup, the CS-18C delivers the clean, dynamic sound Klipsch is known for—without the need for bulky floorstanding speakers.
Key Features
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8″ Injection Molded Graphite (IMG) Woofer
Lightweight yet rigid, the woofer produces tight, punchy bass with minimal distortion even at higher volumes. -
1″ Polymer Dome Tweeter
Provides clear and extended high frequencies, enhancing vocal clarity and musical detail. -
Coaxial Speaker Design
Allows the tweeter and woofer to share the same acoustic axis for coherent sound imaging and smooth frequency response. -
Wide 115° Dispersion Pattern
Broad sound coverage reduces the number of speakers needed in larger rooms. -
Slim, Paintable Grille
The ultra-low-profile grille is paintable to match any décor and installs magnetically for easy access. -
Tight Fit & Easy Installation
Equipped with dog-leg mounting clips and a slim bezel for hassle-free installation in drywall ceilings.
Technical Specifications
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Speaker Type: In-Ceiling 2-Way Speaker
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Frequency Response: 63Hz – 20kHz
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Nominal Impedance: 8 Ohms
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Sensitivity: 89 dB @ 2.83V / 1m
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Power Handling: 40W Continuous / 160W Peak
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Woofer: 8″ Injection Molded Graphite (IMG)
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Tweeter: 1″ Polymer Dome Tweeter
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Dispersion Angle: 115° Conical
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Mounting Depth: 4.5 inches (11.4 cm)
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Cutout Dimensions: 9.8 inches (24.9 cm)
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Product Dimensions (with grille): 10.7″ diameter (27.2 cm)
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Weight: 6.0 lbs (2.72 kg)
Applications
The Klipsch CS-18C is designed for a wide range of residential and commercial audio applications. Its low-profile design and paintable magnetic grille make it ideal for:
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Home Theaters: Use as overhead height channels or rear surrounds for immersive Dolby Atmos or DTS:X setups.
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Multi-Room Audio: Install in hallways, kitchens, bedrooms, or outdoor covered spaces to enjoy music everywhere.
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Retail & Office Spaces: Provides background audio in boutiques, showrooms, conference rooms, and more.
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Restaurants & Lounges: Maintain ambiance with powerful, clear music playback in dining areas or lounges.
Sleek Design, Big Sound
The CS-18C is proof that in-ceiling speakers don’t have to compromise on sound quality. Despite its discreet appearance, it delivers a powerful and balanced audio performance that rivals larger traditional speakers. With an 8-inch woofer at its core, the CS-18C excels in producing warm lows, making it especially suited for musical genres with prominent basslines or for action-heavy movie scenes.
Its pivoting tweeter design also allows for more flexible aiming during installation, helping optimize sound direction in asymmetrical rooms or angled ceilings.
Easy Integration with Klipsch Ecosystem
The Klipsch CS-18C integrates seamlessly with other Klipsch architectural and floorstanding speakers, allowing installers and homeowners to create a cohesive, timbre-matched system across all zones. Whether you’re expanding your current system or building from scratch, the CS-18C provides a cost-effective yet performance-driven solution.
Why Choose the Klipsch CS-18C?
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Unobtrusive, Modern Look: Blends into ceilings with a virtually invisible grille.
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Legendary Klipsch Sound: Clear highs, natural mids, and controlled bass.
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Durable Build: Reliable performance even in challenging environments.
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Effortless Installation: Fits standard ceilings with minimal tools.
Final Verdict
For those seeking a budget-friendly in-ceiling speaker that doesn’t sacrifice quality, the Klipsch CS-18C is a top-tier choice. It’s durable, acoustically tuned for wide coverage, and easy to install in any ceiling space. Backed by Klipsch’s decades of expertise in speaker design, it’s perfect for anyone who wants great audio that doesn’t get in the way of your space’s aesthetics.

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