KEF Ci250RRM-THX In-Ceiling Architectural Speaker
Brand: KEF
₹155,000.00
The KEF Ci250RRM-THX is a high-performance three-way architectural speaker featuring the 12th generation Uni-Q® driver array with MAT™, a powerful 250mm bass driver and THX® Certified Ultra performance. Advanced acoustic technologies including Cavity Radiation Control and Low Diffraction LF Aperture deliver immersive, high-fidelity sound for large home theatres and premium living spaces.
Revolutionary Three-Way Sound for Premium Home Cinema
12th Gen Uni-Q® with MAT™
Advanced Bass Engineering
THX® Certified Ultra
Ci250RRM-THX
KEF Ci250RRM-THX In-Ceiling Architectural Speaker
The KEF Ci250RRM-THX combines advanced acoustic engineering with a discreet in-ceiling design for demanding home cinema and music systems. Its coaxial three-way configuration features a 250mm low-frequency driver alongside a 100mm Uni-Q® midrange driver and 19mm vented aluminium dome tweeter with Metamaterial Absorption Technology. Patent-pending Cavity Radiation Control and Low Diffraction LF Aperture technologies further refine acoustic performance. THX® Certified Ultra, the Ci250RRM-THX delivers a 20Hz–45kHz frequency range, 120° nominal coverage and maximum output of 111dB for expansive, high-fidelity listening.
Ci250RRM-THX
Details & Specifications
Design & Driver Configuration
| Brand | KEF |
|---|---|
| Model | Ci250RRM-THX |
| Product Type | In-Ceiling Architectural Speaker |
| Design | Coaxial Three-Way |
| Driver Technology | 12th Generation Uni-Q® with MAT™ |
| Acoustic Technologies | Cavity Radiation Control / Low Diffraction LF Aperture |
| Certification | THX® Certified Ultra |
| Safety & Regulatory Compliance | IP64 |
Drive Units
| Low-Frequency Driver | 250mm (10 in.) |
|---|---|
| Mid-Frequency Driver | 100mm (4 in.) Uni-Q® |
| High-Frequency Driver | 19mm (0.75 in.) Vented Aluminium Dome with MAT™ |
Frequency & Crossover
| Frequency Response – Open Backed (±6dB) | 28Hz–20kHz |
|---|---|
| Frequency Range (-10dB) | 20Hz–45kHz |
| Crossover Frequencies | 540Hz / 2.6kHz |
| Recommended High-Pass Filter | 30Hz–60Hz |
Performance
| Recommended Amplifier Power | 50–250W |
|---|---|
| Sensitivity (2.83V / 1m) | 89dB |
| Maximum SPL | 111dB |
| Nominal Impedance | 8Ω |
| Nominal Coverage | 120° |
Installation, Dimensions & Weight
| External Diameter | Ø 346 mm / 13.62 in |
|---|---|
| External Depth | 175 mm / 6.89 in |
| Cut-Out Diameter | Ø 300 mm / 11.81 in |
| Mounting Depth from Surface | 168 mm / 6.62 in |
| Minimum Ceiling Thickness | 6 mm / 0.24 in |
| Maximum Ceiling Thickness | 30 mm / 1.18 in |
| Optional Rough-In Frame | Not Provided |
| Net Weight | 6 kg / 13.2 lb |
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