KEF Ci 100 QR, Ceiling Speaker, 4 Ohm
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A compact KEF Soundlight Series speaker for architectural installations. It uses an approximately 118 mm circular cut-out and the RIF100R rough-in frame. Confirm the remaining mounting and electrical requirements before choosing it for a replacement.
Typical applications
- Architectural in-ceiling audio installation
- Soundlight Series installation where the exact Ci100QR cut-out and mounting requirements are confirmed
Full specifications
| Impedance | Ask us to confirm |
|---|---|
| Series | Soundlight Series |
| Recommended amplifier power | 10 – 50 W |
| Cut-out diameter | Ø118 mm (4.65 in.) |
| Rough-in frame | RIF100R |
| Mounting depth | Confirm before cutting |
Installation and cabinet guidance
Check the Ø118 mm cut-out and optional RIF100R rough-in frame against the existing opening. Confirm mounting depth, ceiling thickness and clearances in the original installation instructions before cutting.
Use amplification within the published 10–50 W range and confirm the speaker impedance before connecting.
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