KEF Ci Series Ci4100QL-THX In-Wall Loudspeaker
Thank you for purchasing this KEF Ci series custom installation loudspeaker. These products have been designed for dry-lined, stud partition walls and ceilings and for suspended ceilings and will deliver many years of superb sound quality.
Specifications
| Model | Ci4100QL-THX |
| Series | Q Series |
| Nominal impedance | 4Ω |
| Sensitivity (2.83V/1m) | 89dB |
| Frequency response (±6dB) open-backed | 55Hz - 28kHz |
| Crossover frequency | 2.2kHz |
| Drive units | LF: 3 x 100mm (4in.) MF: 100mm (4in.) HF: 19mm (0.75in.) Uni-Q |
| Recommended amplifier power | 10-150 W |
| Product external dimensions (HxWxD) | 490 x 128 x 81 mm (19.3 x 5 x 3.2 in.) |
| Cut-out dimensions (HxW) | 476 x 114 mm (18.74 x 4.49 in.) |
| Net weight | 3kg (6.61 lbs.) |
| Mounting depth from surface | 76mm (3in.) |
| Optional rough in frame | RIF4100L |
| Optional rear enclosure | None |
*THX® Select2™™ Certified
KEF reserves the right, in line with continuing research and development, to amend or change specifications. E&OE.
THX and the THX Select2 logo are trademarks of THX Ltd., registered in the United States and other jurisdictions. All rights reserved.
Installation Diagrams
The following diagrams illustrate the installation process:
Diagram 1: Components
Shows the speaker, grille, mounting template, and optional accessories.
Diagram 2: Cutting the Hole
Illustrates marking and cutting the opening in the wall or ceiling using the provided template.
Diagram 3: Mounting the Speaker
Depicts securing the speaker into the prepared opening, including screw placement.
Diagram 4: Connecting the Speaker
Shows how to connect speaker wires to the terminals.
Diagram 5: Attaching the Grille
Illustrates how to attach the magnetic grille to the front of the speaker.
Diagram 6: Badge Placement
Indicates the correct alignment for the KEF badge on the grille, typically aligning with the left corner.
