The KEF Ci250RRM-THX In-Ceiling THX Ultra Speaker is a game-changer in the world of architectural speakers, offering unparalleled sonic performance for large home theaters and living spaces. With innovative technologies like MAT™ and CRC, it delivers immersive, high-fidelity soundstage with unmatched sonic excellence. Its sleek design, easy installation, and THX® Ultra certification make it a must-have for any audiophile or movie enthusiast looking to elevate their home audio experience.
Get the Details

KEF Ci250RRM-THX In-Ceiling THX Ultra Speaker

The KEF Ci250RRM-THX In-Ceiling THX Ultra Speaker. Featuring groundbreaking technologies including MAT™, CRC, and Uni-Q®, this architectural speaker delivers unparalleled sonic performance for large home theaters and living rooms.

KEF Ci250RRM-THX Key Features:

• 12th Generation Uni-Q® driver array with Metamaterial Absorption Technology (MAT™)
• Patent-pending Cavity Radiation Control (CRC) eliminates midrange issues
• Low Diffraction LF Aperture for exceptional MF/HF performance
• Uni-Q® disperses sound evenly for a natural detailed sound experience
• MAT™ absorbs 99% of unwanted sound for crisp, natural treble performance

KEF Ci250RRM-THX Specifications:

• Nominal Impedance: 8 Ohms
• Sensitivity (2.83V/1m): 89dB
• Frequency Response (±6dB) Open-backed: 28Hz - 20kHz
• Frequency Range (-10dB): 20Hz - 45kHz
• Nominal Coverage (Degrees): 120
• Max SPL: 111dB
• Crossover Frequencies: 540Hz, 2.6kHz
• Drive Units:
  • LF: 250mm (10in.)
  • MF: 100mm (4in.) Uni-Q
  • HF: 19mm (0.75in.) vented aluminum dome with MAT™
• Recommended Amplifier Power: 50 - 250W
• Recommended High-pass Filter (Hz): 30 - 60Hz
• Product External Dimension:
  • Diameter Ø: 346mm (13.62in.)
  • Depth: 175mm (6.89in.)
• Cut-out Dimensions: Diameter Ø: 300mm (11.81in.)
• Net Weight: 6kg (13.2lbs)
• Mounting Depth from Surface: 168mm (6.62in.)
• Certification: THX® Certified Ultra
• Safety and Regulatory Compliance: IP64
• Ceiling Thickness (Maximum): 30mm (1.18in.)
• Ceiling Thickness (Minimum): 6mm (0.24in.)

Immersive Sound, Sleek Design:

• Engineered with a premium aesthetic and ultra-thin bezel for minimal visual impact
• Paintable UTB and magnetic grille for seamless integration into any environment
• Splash water and dust-proof with IP64 certification
• Easy installation with well-considered mechanical design

Elevate your home audio experience with the KEF Ci250RRM-THX In-Ceiling THX Ultra Speaker. Designed for discerning audiophiles and movie lovers, it delivers powerful, room-filling sound with true theater-quality performance. Order now to transform your space into a cinematic oasis.

KEF Ci250RRM-THX Downloads
KEF Ci250RRM-THX Manual
KEF Ci250RRM-THX Spec Sheet
KEF Ci250RRM-THX Cutout Template
KEF Ci Minimum Cabinet Volume Chart
KEF Architectural Brochure
KEF Architectural Selection And Setup Guide
KEF Architectural Accessory Reference Guide
KEF Architectural Speaker Group Specification Sheet