The KEF Ci130QSfl is a high-performance 5.25″ architectural flush-mount in-ceiling speaker engineered to deliver clear, natural audio while maintaining a sleek, unobtrusive profile. Utilizing KEF’s Uni-Q driver technology, the tweeter is placed at the acoustic center of the mid/bass cone, allowing wide, even sound dispersion and consistent tonal balance throughout the listening area. The 130?mm low-frequency driver produces smooth midrange and controlled bass, while the 19?mm tweeter provides crisp, detailed highs, making it ideal for music, home cinema, or multi-room audio setups.
Flush-Mount Design for Seamless Integration
Designed for discreet installation, the Ci130QSfl features a slim profile that blends seamlessly into ceilings, with a minimalistic flush-mount grille that can be painted to match any interior décor. Its mounting depth and cut-out dimensions are optimized for both new construction and retrofit installations, while the ideal rear volume of 15 L (minimum 10 L) ensures excellent acoustic performance even in shallow ceilings.
Reliable and Flexible Performance
With an 8 Ω nominal impedance and recommended amplifier power of 10–100 W, this speaker pairs easily with most home audio systems. Its frequency response of 45 Hz–34 kHz (±6 dB open-backed) and a maximum SPL of 103 dB provide full-range, distortion-free sound suitable for high-fidelity listening.
Features
- 5.25″ Uni-Q driver array for wide, even sound dispersion
- 19?mm tweeter for detailed high-frequency clarity
- 8?Ω nominal impedance with 10–100?W recommended amplifier power
- Frequency response: 45 Hz–34 kHz (±6 dB) open-backed
- Flush-mount design with paintable grille for seamless integration
- Ideal rear volume: 15 L; Minimum rear volume: 10 L
Specifications
| Specification | Details |
|---|---|
| Nominal Impedance | 8 Ω |
| Sensitivity | 87 dB (2.83?V / 1?m) |
| Frequency Response (±6?dB) | 45 Hz – 34 kHz (Open-Backed) |
| Frequency Range (-10?dB) | 38 Hz – 30 kHz |
| Nominal Coverage | 130° |
| Max SPL | 103 dB |
| Crossover Frequency | 3.8 kHz |
| Drive Units | LF: 130 mm (5.25 in.) Uni-QHF: 19 mm (0.75?in.) |
| Recommended Amplifier Power | 10–100?W |
| Recommended High-Pass Filter | 50 Hz |
| Product External Dimensions (H × W × D) | 200.5 × 200.5 × 103.6 mm (7.9 × 7.9 × 4.08 in.) |
| Cut-Out Dimensions (H × W) | 158 × 158 mm (6.22 × 6.22 in.) |
| Ceiling Thickness (Maximum) | 31 mm (1.220 in.) |
| Ceiling Thickness (Minimum) | 8 mm (0.315 in.) |
| Net Weight | 1.6 kg (3.53 lbs) |
| Mounting Depth From Surface | 101 mm (3.98 in.) |
| Optional Rough-In Frame | N/A |
| Optional Rear Enclosure | N/A |
| Ideal Rear Volume | 15 L |
| Minimum Rear Volume | 10 L |
| Safety and Regulatory Compliance | N/A |
T8S9M3E/25-BKM
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