Description

The KEF Ci4100QL is a high-performance Uni-Q 3-way in-wall speaker engineered for custom home audio installations. Designed with audiophiles in mind, it delivers THX-certified sound with exceptional clarity, depth, and precision, bringing a cinematic listening experience to any room. The innovative Uni-Q driver array positions the tweeter in the center of the midrange cone, ensuring a wide, uniform sound dispersion that fills your space with rich, immersive audio. Its triple 100mm low-frequency drivers produce tight, controlled bass, while the 100mm midrange and 19mm high-frequency drivers provide crisp mids and sparkling highs.

Crafted for seamless integration, the Ci4100QL’s sleek white finish blends effortlessly with walls, making it ideal for discreet installations without compromising on style or sound quality. With a nominal impedance of 4 Ohms, a sensitivity of 89 dB, and recommended amplifier power between 10–150 W, it pairs easily with most high-fidelity home amplifiers. Its thoughtfully designed mounting depth, cut-out dimensions, and optional rough-in frame ensure a secure and professional installation every time. Lightweight yet robust, the Ci4100QL brings KEF’s renowned engineering and audiophile-grade performance into your living space for a truly premium listening experience.

Features

  • Uni‑Qâ„¢ Driver Array for wide, consistent sound dispersion and enhanced soundstage.
  • 3‑Way Design with separate drivers for low, mid, and high frequencies for detailed, balanced audio.
  • THX Certification ensures cinematic audio quality meeting high performance standards.
  • Designed for in‑wall installation to maintain a clean, minimalist look.
  • Optional Rough‑In Frame (RIF4100L) simplifies pre‑construction installation.
  • Precise Cut‑Out Dimensions and mounting depth for easy fitting into standard wall cavities.
  • Nominal Impedance: 4 Ohm for compatibility with a wide range of amplifiers.
  • Sensitivity: 89 dB (2.83 V/1 m) for efficient sound output.
  • Recommended Amplifier Power: 10 – 150 W for versatile pairing with amplifiers and AVRs.
  • Low‑Profile White Finish blends seamlessly with interior décor.
  • Wide Frequency Response: 55 Hz – 28 kHz (±6 dB) for full‑range sound.
  • Compact, Slim Profile ideal for discreet custom installations.
  • High‑quality materials and precision engineering for durability and long‑lasting performance.
  • Seamless integration into home theaters, media rooms, or multi‑room audio setups.

Specifications

SpecificationDetails
Nominal Impedance4 Ohm
Sensitivity89 dB (2.83V / 1m)
Crossover Frequency2.2 kHz
Frequency Response55 Hz – 28 kHz (±6 dB) open backed
Drive UnitsLF: 3 × 100 mm (4 in.)MF: 100 mm (4 in.)HF: 19 mm (0.75 in.) Uni-Q
Recommended Amplifier Power10 – 150 W
Product External Dimensions (H × W × D)490 × 128 × 81 mm (19.29 × 5.04 × 3.19 in.)
Cut-Out Dimensions (H × W)476 × 114 mm (18.74 × 4.49 in.)
Wall Thickness (Maximum)24 mm (0.95 in.)
Wall Thickness (Minimum)6 mm (0.24 in.)
Mounting Depth From Surface76 mm (3.0 in.)
Optional Rough-In FrameRIF4100L
Net Weight3 kg (6.61 lbs)
Unit MeasurementPiece

T1S0M7E3/25-BKM

Additional information
Brand

KEF

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