Ci200QSb-THX

KEF Ci200QSb-THX

The Ci200QSb-THX by KEF is an in-wall subwoofer designed to deliver cinema-grade bass, certified by THX to both Ultra and Select standards. This powerful subwoofer is engineered to enhance any home theater system with deep, impactful bass, bringing movies, music, and games to life with immersive low-frequency sound.

THX Certification:
Certified to both THX Ultra and THX Select standards, the Ci200QSb-THX provides exceptional sound performance, ensuring that it meets the highest standards for clarity, power, and distortion-free audio. Whether you’re watching the latest blockbuster or listening to music, this subwoofer guarantees the intensity and drama of professional theater sound.

Dual Operation Modes:
The Ci200QSb-THX can operate in two modes:

• Passive Mode: With the internal crossover activated, the subwoofer operates at 6 Ohms impedance and is capable of handling 10-150W of amplifier power, providing powerful bass in standard home audio setups.
• Active Mode: Paired with KEF's KASA500 amplifier, the subwoofer delivers a more extended and controlled frequency response, reaching down to 18Hz for truly deep bass.

Nominal Impedance:

• Passive Mode: 6 Ohms (Crossover ON)
• Active Mode: Not applicable, as the KASA500 amplifier manages impedance.

Sensitivity:

• Passive Mode: 85dB (Crossover ON), ensuring efficient sound output.
• Active Mode: Not applicable.

Frequency Response:

• Passive Mode: 40Hz - 100Hz
• Active Mode (with KASA500): 18Hz - 140Hz, allowing for deeper and more extended bass.

Crossover Frequencies:

• Passive Mode: 100Hz
• Active Mode: Controlled by the KASA500 amplifier.

Drive Units:
The Ci200QSb-THX features a powerful 200mm (8 in.) low-frequency driver that delivers deep, resonant bass while maintaining clarity and precision, perfect for high-impact movie effects or powerful music playback.

Recommended Amplifier Power:

• Passive Mode: Compatible with amplifiers rated between 10-150W for standard setups.
• Active Mode: Optimally powered by KEF's KASA500 amplifier.

Product External Dimensions (H x W x D):
With dimensions of 273 x 273 x 106 mm (10.75 x 10.75 x 4.17 in.), the Ci200QSb-THX is compact yet formidable, capable of delivering impressive bass without dominating the visual aesthetic of your space.

Cut-Out Dimensions (H x W):
For installation, the cut-out size required is 238 x 238 mm (9.37 x 9.37 in.), making it easy to install into walls while maintaining a low profile.

Mounting Depth From Surface:
The subwoofer requires a depth of 101.6mm (4 in.), allowing for seamless installation in a variety of wall thicknesses.

Mounting Thickness:

• Maximum: 40mm (1.58 in.)
• Minimum: 6mm (0.24 in.)

Optional Rough-In Frame:
The RIF200S rough-in frame is available for pre-construction installation, ensuring the perfect fit and easy setup.

Net Weight:
Weighing 3.3kg (7.28 lbs), the Ci200QSb-THX is lightweight for a subwoofer of its capability, making installation straightforward without compromising performance.

Unit Measurement:
Sold as a single unit, the Ci200QSb-THX allows for flexible subwoofer arrangements in multi-room or high-powered home theater systems.