Kef Ci3160RLb-THX In-Wall Subwoofer



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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.

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.

Model Ci3160RLb-THX

Nominal Impedance

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, Ultra2 and Select2 are trademarks of THX Ltd. THX and the THX logo are registered in the U.S. and other jurisdictions. All rights reserved.

10.9000 kg


Depth (mm)


Frequency Response

20Hz – 140Hz

Height (mm)



Kef Ci3160RLb-THX

Width (mm)


subwoofer type

Passive Subwoofers, Custom Install Subwoofers

subwoofer colour

Satin Silver

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Excellence in sound. KEF exists to fill rooms with music, to move souls with truly authentic soundscapes.