









Ci3160RLb-THX Subwoofer
THX ULTRA Certified Subwoofer
For the ultimate in Extreme Home Theatre, certified to THX ULTRA2 and THX SELECT2 standards, the formidable KEF Ci R Series Ci3160RLb-THX in-wall subwoofer has the deep bass and theatre thumping output capabilities of a traditional KEF subwoofer coupled with the ability to deliver all the drama and emotional intensity of full theatre sound quality.


Ci3160RLb-THXFor the ultimate in Extreme Home Theatre, certified to THX ULTRA2 and THX SELECT2 standards, the formidable new Ci R Series Ci3160RLb-THX in-wall subwoofer has the deep bass and theatre thumping output capabilities of a traditional KEF subwoofer coupled with the ability to deliver all the drama and emotional intensity of full theatre sound quality.
With three high-output 160mm sub-bass drivers mounted to a massive aluminium baffle the Ci3160RLb-THX must be matched with KEF’s powerful KASA500 system amplifier. Each KASA500 can power up to two of the Ci3160RLb-THX subwoofers for even the most demanding theatre installations. |
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THX ULTRA Certified
For theatre building flexibility, the remainder of KEF’s Extreme Theatre suite consists of two THX Ultra2 certified in-wall LCR speakers, a THX Ultra2 certified in-ceiling LCR speaker, as well as a smaller in-wall subwoofer and smaller in-wall LCR.
Ci3160RLb-THX
For the ultimate in Extreme Home Theatre, certified to THX ULTRA2 and THX SELECT2 standards, the formidable new Ci R Series Ci3160RLb-THX in-wall subwoofer has the deep bass and theatre thumping output capabilities of a traditional KEF subwoofer coupled with the ability to deliver all the drama and emotional intensity of full theatre sound quality.
With three high-output 160mm sub-bass drivers mounted to a massive aluminium baffle the Ci3160RLb-THX must be matched with KEF’s powerful KASA500 system amplifier. Each KASA500 can power up to two of the Ci3160RLb-THX subwoofers for even the most demanding theatre installations.

THX ULTRA Certified
or theatre building flexibility, the remainder of KEF’s Extreme Theatre suite consists of two THX Ultra2 certified in-wall LCR speakers, a THX Ultra2 certified in-ceiling LCR speaker, as well as a smaller in-wall subwoofer and smaller in-wall LCR.
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Model | Ci3160RLb-THX |
Nominal Impedance | 4Ω |
Sensitivity (2.83V/ 1m) | 92dB |
Frequency response (±6dB) open-backed |
20Hz - 140Hz |
Drive units LF |
3 x 160mm (6.5 in.) |
Required Amplifier | KASA500 |
Product external dimensions (H x W x D) |
680 x 230 x 96 mm (26.77 x 9.06 x 3.78 in.) |
Product external dimensions (with Grille) (H x W x D) |
683 x 242 x 102.7 mm (26.89 x 9.53 x 4.04 in.) |
Cut-out dimensions | 660 x 209mm (25.98 x 8.23 in.) |
Net Weight | 10.9 kg (24.1 lbs) |
Mounting depth from surface | 88.5mm (3.84 in.) |
KEF reserves the right, in line with continuing research and development, to amend or change specifications. E&OE. THX, the THX logo, and Ultra2 are trademarks of THX Ltd. THX and the THX logo are registered in the U.S. and other jurisdictions. All rights reserved. |
Info Sheet | • Open In New Window • Download |
Manual | • Open In New Window • Download |
Cutout Template | • Open In New Window • Download |
Ci Series Brochure | • Open In New Window • Download |
Ci Series Specification Sheet | • Open In New Window • Download |
Ci Series Minimum Cabinet Volume Chart | • Open In New Window • Download |
Ci Accessory Guide | • Open In New Window • Download |
Product Drawing | • Download |