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KEF Ci200QSb-THX In-Wall/Ceiling Subwoofer (Pair)

Certified to THX ULTRA2 and THX SELECT2 standards, the formidable Ci200QSb-THX in-wall subwoofer delivers deep bass and theatre thumping output capabilities, matched to the uncanny ability to deliver all the drama and emotional intensity of full theatre sound quality.

SKU
CI200QSB
£799.00
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Key Features

  • THX Certified Ultra2 / Select2
  • 200mm (8in.) woofer unit with extended bass response
  • Paintable Ultra-Thin Bezel (UTB) and magnetic grille to blend unobtrusively with décor
  • Fast, versatile installation on virtually any surface via dogleg
  • Can be used in passive mode with internal crossover or active mode with KEF’s KASA500 System Amplifier for THX certified performance
  • Sold in Pairs


With a powerful high-output 200mm (8in.) sub-bass driver, the Ci200QSb-THX can be used in passive mode to supplement the LF output of KEF’s Ci series in-wall or in-ceiling speakers. In Active mode, when 2 pair of the Ci200QSb-THX subwoofer are powered by the powerful 250Wx 2 KEF KASA500 System Amplifier the performance meets THX Select2 specification. When 4 pair of the Ci200QSb-THX are powered by 2 KEF KASA500 System Amplifiers the performance meets THX Ultra2 specification.

LEF Speaker Placement Tool
Created by KEF UK engineering, the "KEF Speaker Placement Tool" is a software program* designed to assist you in the placement and layout of KEF Ci loudspeakers. Able to accommodate both 70V/100V and stereo music systems the software will graphically show room sound coverage, show speaker layout, and to provide wiring diagrams. For your convenience room layouts can be saved, printed, exported, and retrieved for future reference.

Download Ci Software - Here

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Ci200QSb-THX Specifications
Nominal Impedance 6 Ohm - Passive Mode (Crossove "ON")
N/A - Active Mode (KASA500)
Sensitivity 85dB - Passive Mode (Crossover "ON")
N/A - Active Mode (KASA500)
Frequency Response 40Hz-100Hz - Passive Mode (Crossover "ON")
18Hz-140Hz - Active Mode (KASA500)
Crossover Frequencies 100Hz - Passive Mode (Crossover "ON")
N/A - Active Mode (KASA500)
Drive Units LF: 200mm (8in.)
Recommended Amplifier Power 10-150W - Passive Mode (Crossover "ON")
KASA500 - Active Mode (KASA500)
Product External Dimensions Diameter: 273 x 272 x 106 mm (10.75 x 10.75 x 4.17")
Cut-Out Dimensions (H x W) 238 x 238 mm (9.37 x 9.37")
Mounting Depth From Surface 101.6mm (4")
Optional Rough In Frame RIF200S
Net Weight 3.3kg (7.28 lbs)
Unit Measurement Pair