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KEF Refrence 8B Subwoofer
Rs.563,904.00

Bowers & Wilkins 702 S3
Rs.601,049.27
Brand
KEF
Bowers & Wilkins
Model No
Refrence 8B Subwoofer
702 S3
Wired / Wireless
Home Theatre Speaker Specification
Home Theatre Speaker Specification
Driver Type
Dynamic
Dynamic
 
Driver Diameter
2 X 225 mm
25/645 mm
Impedance
NA
8 ohm
Sensitivity
NA
90dB spl
Frequency Response
Variable Frequency 40Hz - 160Hz
Frequency Range Free Field ( -6dB ): 18Hz
Frequency Response : ( ±3dB )24Hz At 90dB Output In Free-Space Mode
46 Hz - 28 kHz, 28 Hz - 33 kHz
Maximum Power Input
AC 100V - 120V / 220V - 240V ~50/60Hz
AC 100V-240 V / 50 Hz / 60 Hz
Maximum Power Output
2 X 500 W ( RMS ) Class D
Internal Volume 23L
30 W - 300 W ( RMS )
Signal to Noise Ratio
110dB
90 dB
 
Noise Cancelling
NA
Aux Connectivity
No
No
Weight
34 Kg
33.46 Kg
Dimensions
Speaker : 398 mm X 365 mm X 429 mm
1010 mm X 354 mm X 192 mm
Available Colors
Black
Black, White, Brown
Accessories
KEF Reference 8B Subwoofer
Power Cable
Product Manual
Bowers & Wilkins 702 S3 Speaker
Other Features
LF Drive Unit : Equipped with 2 x 225 mm (9in.) low-frequency drive units, the subwoofer delivers powerful and impactful bass.
Maximum Output : Capable of reaching a maximum output of 110dB at 1m and 50Hz, providing a dynamic and immersive bass experience.
Low Pass Filter : Features a variable low pass filter with a frequency range from 40Hz to 160Hz, allowing users to customize the crossover point.
Frequency Response : The frequency response at 90dB output in free-space mode is ±3dB from 24Hz, ensuring accurate and balanced bass reproduction.
Amplifier : Powered by 2 x 500W Class D amplifiers with a switched mode power supply and DSP-based control section, delivering efficient and controlled power.
Inputs & Connectivity: Provides versatile connectivity options with analog XLR socket, speaker level inputs, and a link out via RCA phono socket. The subwoofer’s net internal volume is 23L.
3-Way Vented-Box System.
A house for high frequencies.
5-Year warranty Valid from the date of purchase for passive loudspeakers.
Our flagship, the 702 S3, is a state-of-the-art tower speaker that defines new standards for performance in its class. If you want the best, this is it.
Technical Features - Decoupled Carbon Dome Tweeter, Solid Body Tweeter-On-Top, Continuumâ„¢ Cone FSTâ„¢ Midrange, Decoupled Midrange, Aerofoilâ„¢ Profile Bass Cones, Flowportâ„¢.
Developed using advanced computer modelling techniques, the Aerofoil™ Profile bass cone has variable thickness, providing stiffness and rigidity where it’s needed most. The result: deep and dynamic bass.
Carbon Dome tweeters are purpose-built for the 700 Series. Delivering a dramatic improvement on the aluminum double dome tweeter, they raise the breakup threshold to 47kHz, for pinpoint imaging accuracy and detail.

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Key Differences

Bowers & Wilkins 702 S3 and KEF Refrence 8B Subwoofer are powerful home theatre speaker systems designed to deliver immersive surround sound with modern audio technologies. Advanced sound technologies play a major role in delivering a more immersive audio experience. These speakers are ideal for creating a home theatre-like environment with immersive sound output. Modern connectivity options make these systems flexible for different setups and devices. Variations in sound output and surround capabilities affect how immersive the audio experience feels.

Verdict: Both systems are competitive, and the right option depends on your room size, usage, and feature requirements.

Top Differences

  • Sound Output: 30W vs 2W
  • Channels: 30 vs 2
  • Bluetooth: na vs no
  • Frequency Response: 46 Hz - 28 kHz, 28 Hz - 33 kHz vs Variable Frequency 40Hz - 160Hz Frequency Range Free Field ( -6dB ): 18Hz Frequency Response : ( ±3dB )24Hz At 90dB Output In Free-Space Mode
  • Subwoofer Size: 25 mm vs 2 mm