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KEF Ci4100QL-THX In-Wall Architectural Speaker
KEF Ci4100QL-THX In-Wall Architectural Speaker - Image 2
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KEF Ci4100QL-THX In-Wall Architectural Speaker

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₹71,000.00

The KEF Ci4100QL-THX is a THX® Certified Select in-wall architectural speaker designed for immersive home cinema systems. Featuring a Uni-Q® driver array, three 100mm low-frequency drivers and a slim installation profile, it delivers detailed, dynamic sound for 2.1, 5.1 and 7.1 surround sound environments.

Ci4100QL-THX

KEF Ci4100QL-THX In-Wall Architectural Speaker

The KEF Ci4100QL-THX is designed for high-quality architectural home cinema installations where discreet placement and immersive surround sound are essential. Its driver configuration combines three 100mm low-frequency units with a 100mm midrange driver and 19mm Uni-Q® high-frequency driver. THX® Certified Select performance makes it suitable for demanding 2.1, 5.1 and 7.1 speaker systems. With 89dB sensitivity, a 55Hz–28kHz open-backed frequency response and recommended amplifier power from 10W to 150W, the Ci4100QL-THX delivers balanced performance while maintaining a shallow 76mm mounting depth.

Ci4100QL-THX

Details & Specifications

Design & Configuration
Brand KEF
Model Ci4100QL-THX
Product Type In-Wall Architectural Speaker
Certification THX® Certified Select
Unit Measurement Piece
Drive Units
Low-Frequency Drivers 3 × 100mm (4 in.)
Mid-Frequency Driver 100mm (4 in.)
High-Frequency Driver 19mm (0.75 in.) Uni-Q®
Frequency & Crossover
Frequency Response – Open Backed (±6dB) 55Hz–28kHz
Crossover Frequency 2.2kHz
Performance
Recommended Amplifier Power 10–150W
Sensitivity (2.83V / 1m) 89dB
Nominal Impedance 4Ω
Installation, Dimensions & Weight
External Dimensions (H × W × D) 490 × 128 × 81 mm
External Dimensions 19.29 × 5.04 × 3.19 in
Cut-Out Dimensions (H × W) 476 × 114 mm
Cut-Out Dimensions 18.74 × 4.49 in
Mounting Depth from Surface 76 mm / 3.0 in
Minimum Wall Thickness 6 mm / 0.24 in
Maximum Wall Thickness 24 mm / 0.95 in
Optional Rough-In Frame RIF4100L
Net Weight 3 kg / 6.61 lb

Downloads

Product Manual

About

KEF is a British loudspeaker manufacturer known for developing advanced acoustic technologies focused on accurate, natural and highly detailed sound reproduction. Its engineering approach combines innovative driver design, cabinet development and extensive acoustic research across both traditional Hi-Fi and contemporary audio systems. Technologies such as Uni-Q® and Metamaterial Absorption Technology demonstrate KEF’s focus on improving dispersion, imaging and overall acoustic performance. From compact speakers to high-end reference designs, KEF develops products for listeners seeking precise stereo reproduction and immersive listening experiences.

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