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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.
Priced as a PAIR.
Ci200QSb-THX
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.
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.
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
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Model | Ci200QSb -THX |
Series | Q Series |
Nominal Impedance | 6Ω - Passive Mode (Crossover "ON") N/A - Active Mode (KASA500) |
Sensitivity(2.83V/1m) | 85dB - Passive Mode (Crossover "ON") N/A - Active Mode (KASA500) |
Frequency response (±6dB) | 40Hz-100Hz - Passive Mode (Crossover "ON") 18Hz-140Hz - Active Mode (KASA500) |
Crossover frequency | 100Hz - Passive Mode (Crossover "ON") N/A - Active Mode (KASA500) |
Drive Units | LF: 200mm (8 in.) |
Recomended amplifier power | 10-150W - Passive Mode (Crossover "ON") KASA500 - Active Mode (KASA500) |
Product external dimensions | Diameter: 273 x 273 x 106 mm (10.75 x 10.75 x 4.17 in.) |
Cutout dimensions | H x W: 238 x 238 mm (9.37 x 9.37 in.) |
Mounting depth from surface | 101.6mm (4 in.) |
Optional rough in frame | RIF200S |
Optional rear enclosure | RNC130R |
Weight" | 3.3kg (7.28 lbs) |
** KEF reserves the right, in line with continuing research and development, to amend or change specifications. E&OE. **
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 Series Rear Enclosure Chart | • Open In New Window • Download |
Ci Series Rough In Frame Chart | • Open In New Window • Download |
Ci200QSb EASE GLL Data | • Open In New Window • Download |