product description

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.

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.

Nominal Impedance

6 Ohm - Passive Mode (Crossover "ON")

N/A - Active Mode (KASA500)

Sensitivity

85dB - Passive Mode (Crossover "ON")

N/A - Active Mode (KASA500)

Crossover Frequencies

100Hz - Passive Mode (Crossover "ON")

N/A - Active Mode (KASA500)

Frequency Response

40Hz-100Hz - Passive Mode (Crossover "ON")

18Hz-140Hz - Active Mode (KASA500)

Drive Units

LF: 200mm (8 in.)

Recommended Amplifier Power

10-150W - Passive Mode (Crossover "ON")

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.)

Mounting Depth From Surface

101.6mm (4 in.)

Optional Rough In Frame

RIF200S

Net Weight

3.3kg (7.28 lbs)

Unit Measurement

Piece