Definitive Technology UIW RCS III In-ceiling multi-purpose speaker with built-in back-box

Experience remarkable, theater-like sound from above with the Definitive Technology UIW RCS III Reference In-Ceiling Speaker. Designed for custom home theater systems, this high-performance speaker uses Wave Launch™ technology and a down-angled driver array to direct audio toward the listener, creating a front-row soundstage – perfect for left, center, or right channels in a surround system.

The UIW RCS III features audiophile-grade components, including:

• A 1″ aluminum dome tweeter for crisp, distortion-free highs

• Dual 4.5″ polypropylene midrange/bass drivers for detailed, lifelike sound

• Dual 5.25″ x 4.125″ pressure-coupled passive radiators to extend bass response

Its sealed Medite® wood enclosure eliminates vibrations, enhances clarity, and prevents sound leakage, ensuring a consistent, high-quality audio experience in any ceiling space. The paintable magnetic grille blends seamlessly into any décor, while the six rotating dogleg clamps allow for secure and easy installation in new or existing constructions.

Perfect for music lovers and home theater enthusiasts, the Definitive Technology UIW RCS III delivers front-row-quality sound with an invisible footprint.

Features

• Patented Wave Launch™ technology directs sound for a front-firing experience

• Fully enclosed, anti-resonant Medite® wood back-box prevents audio leakage and vibrations

• 1″ aluminum dome tweeter delivers precise, distortion-free highs

• Dual 4.5″ polypropylene cone midrange/bass drivers ensure rich, detailed audio

• Dual 5.25″ x 4.125″ passive radiators provide deep, dynamic bass

• Magnetic, paintable grille for seamless aesthetic integration

• Six rotating dogleg clamps for quick, secure installation

• Works as left, center, or right channel in a custom home theater setup

• Pair with Reference Line Source speakers for seamless, voice-matched surround sound

Specifications