THX Certified Ultra 200mm Subwoofer
THX Certified to the level of Ultra and Select, 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.
Ci200QSb-THX
THX Certified to the level of Ultra and Select, 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 in-wall or in-ceiling speakers. In Active mode, when 2 pairs of the Ci200QSb-THX subwoofer are powered by 2 KEF KASA500 System Amplifiers the performance meets THX Certified Select specification. When 4 pairs of the Ci200QSb-THX are powered by 2 KEF KASA500 System Amplifiers the performance meets THX Certified Ultra specification.
Ci200QSb-THX is a THX Certified Ultra in-wall subwoofer. A deep understanding of the filmmaking process and surround sound is at the very heart of every THX® certified speaker system. Engineered with design characteristics of professional studio speakers, THX® recreates the tonal balance of the filmmaker's final mix in your living room. The results? Action sequences are impactful, and dialogue-driven moments are natural and engaging.
THX® certified subwoofers deliver the appropriate frequency response and high output and imaging quality of a traditional box speaker. This provides the best of both worlds - THX® surround sound performance from components that blend harmoniously with any interior.
THX® certified subwoofers deliver the appropriate frequency response and high output and imaging quality of a traditional box speaker. This provides the best of both worlds - THX® surround sound performance from components that blend harmoniously with any interior.
The Details
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
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
SPECIFICATIONS
Nominal Impedance
6 Ohm - Passive Mode (Crossover "ON")
N/A - Active Mode (KASA500)
N/A - Active Mode (KASA500)
Sensitivity
85dB - Passive Mode (Crossover "ON")
N/A - Active Mode (KASA500)
N/A - Active Mode (KASA500)
Crossover Frequencies
100Hz - Passive Mode (Crossover "ON")
N/A - Active Mode (KASA500)
N/A - Active Mode (KASA500)
Frequency Response
40Hz-100Hz - Passive Mode (Crossover "ON")
18Hz-140Hz - Active Mode (KASA500)
18Hz-140Hz - Active Mode (KASA500)
Drive Units
LF: 200mm (8 in.)
Recommended Amplifier Power
10-150W - Passive Mode (Crossover "ON")
KASA500 - Active Mode (KASA500)
KASA500 - Active Mode (KASA500)
Product External Dimension (H X W X D)
Diameter: 273 x 273 x 106 mm (10.75 x 10.75 x 4.17 in.)
Cut-Out Dimensions (H X W)
238 x 238 mm (9.37 x 9.37 in.)
Mounting Thickness
Ceiling Thickness (Maximum): 40mm (1.58 in.)
Ceiling Thickness (Minimum): 6mm (0.24 in.)
Ceiling Thickness (Minimum): 6mm (0.24 in.)
Mounting Depth From Surface
101.6mm (4 in.)
Optional Rough In Frame
RIF200S
Net Weight
3.3kg (7.28 lbs)
Unit Measurement
Piece
Downloads
Remarks
KEF reserves the right, in line with continuing research and development, to amend or change specifications. E&OE. THX, the THX logo, and Ultra are trademarks of THX Ltd. THX and the THX logo are registered in the U.S. and other jurisdictions. All rights reserved.
KEF reserves the right, in line with continuing research and development, to amend or change specifications. E&OE.
Please visit our Ci Software Download page for more details.
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