The KEF Ci250RRb-THX 10-Inch In-Ceiling THX Subwoofer delivers an unparalleled audio experience, seamlessly blending powerful bass with fine detailing for a truly immersive sound. Its THX® certification ensures cinema-quality sound reproduction, making every movie night feel like a trip to the theater. With its sleek design and easy installation, this subwoofer is a must-have addition to any home theater or audio system.
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KEF Ci250RRb-THX 10-Inch In-Ceiling THX Subwoofer

The KEF Ci250RRb-THX 10-Inch In-Ceiling THX Subwoofer, designed to bring unparalleled depth and precision to your music, movies, and gaming sessions. Engineered with meticulous attention to detail, this subwoofer boasts a powerful 250mm (10 in.) bass driver and a colossal 150oz magnet, ensuring exceptional clarity and impactful bass reproduction.

KEF Ci250RRb-THX Key Features:

• Extra-long-throw 250mm (10 in.) bass driver for immersive bass response
• THX® certified for true theatre sound quality
• Engineered to meet THX® Ultra standards for large theatres and living rooms
• Compatible with KEF KASA500 amplifier for optimal performance
• IP64 certification for splash water and dust proofing
• Ultra-Thin Bezel (UTB) design for seamless integration into any environment
• Paintable UTB and magnetic grille for customizable aesthetics
• Easy installation with well-considered mechanical design
• Maximum SPL of 109dB for impactful audio reproduction

KEF Ci250RRb-THX Specifications:

• Frequency Response (±6dB) Open-backed: 20Hz - KASA setting
• Frequency Range (-10dB): 16Hz - KASA setting
• Drive Units: LF: 250mm (10in.)
• Required Amplifier: KEF KASA500
• Recommended Low-pass Filter (Hz): 50Hz - 120Hz
• Product External Dimension: Diameter Ø: 346mm (13.62in.), Depth: 153mm (6in.)
• Cut-Out Dimensions: Diameter Ø: 300mm (11.81in.)
• Net Weight: 5.6kg (12.3lbs)
• Mounting Depth from Surface: 147mm (5.8in.)
• Ideal Rear Volume: 140L
• Minimum Rear Volume: 70L
• THX Certification: THX® Certified Ultra
• Safety and Regulatory Compliance: IP64
• Ceiling Thickness (Maximum): 30mm (1.18in.)
• Ceiling Thickness (Minimum): 6mm (0.24in.)

Upgrade your audio setup with the KEF Ci250RRb-THX 10-Inch In-Ceiling THX Subwoofer and immerse yourself in a world of premium sound quality. Experience every beat, explosion, and whisper with unparalleled clarity and precision.

KEF Ci250RRb-THX Downloads
KEF Ci250RRb-THX Manual
KEF Ci250RRb-THX Spec Sheet
KEF Ci250RRb-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