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.
- 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)