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KEF Refrence 8B Subwoofer
Rs.563,904.00

Bowers & Wilkins Formation Duo
Rs.428,256.17
Brand
KEF
Bowers & Wilkins
Model No
Refrence 8B Subwoofer
Formation Duo
Wired / Wireless
Home Theatre Speaker Specification
Home Theatre Speaker Specification
Driver Type
Dynamic
Dynamic
 
Driver Diameter
2 X 225 mm
25/165 mm
Impedance
NA
NA
Sensitivity
NA
NA
Frequency Response
Variable Frequency 40Hz - 160Hz
Frequency Range Free Field ( -6dB ): 18Hz
Frequency Response : ( ±3dB )24Hz At 90dB Output In Free-Space Mode
25 Hz - 33 kHz
Maximum Power Input
AC 100V - 120V / 220V - 240V ~50/60Hz
100V - 240V - 50/60Hz
Maximum Power Output
2 X 500 W ( RMS ) Class D
Internal Volume 23L
2 X 125 W ( RMS )
Signal to Noise Ratio
110dB
NA
 
Noise Cancelling
NA
Aux Connectivity
No
No
Weight
34 Kg
10.6 Kg
Dimensions
Speaker : 398 mm X 365 mm X 429 mm
395 mm X 305 mm X 197 mm
Available Colors
Black
Black, White
Accessories
KEF Reference 8B Subwoofer
Power Cable
Product Manual
Bowers & Wilkins Formation Duo 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.
2-Year Warranty Valid from the date of purchase for powered loudspeakers.
Our Carbon Dome Tweeter-on-Top delivers crisp, clean, natural treble (and looks pretty good while it does so).
Adopted from our high-end 800 Series Diamond, the Continuum cone unlocks all the detail and punch of your favorite songs.
Technical Features - Apple AirPlay 2 Technology, Spotify Connect, Roon Ready, Bluetooth In, Digital Signal Processing, Digital Amplifier, Dynamic EQ.
The Formation Duo wireless speaker uses cutting-edge technologies like Carbon Dome Tweeter-on-Top and Continuumâ„¢ drivers to deliver the audio quality Bowers & Wilkins is renowned for. Wireless hi-res sound, without compromise. *Stand/s not included.
Stream in high quality from Wi-Fi, Apple AirPlay 2, Bluetooth aptXâ„¢ Adaptive, Amazon Music, Roon, and Spotify Connect. Plus, the Bowers & Wilkins Music app allows you to enjoy all your favorite music from Deezer, Last.FM, Qobuz, TIDAL HiFi Plus, and Pandora.

Compare KEF Refrence 8B Subwoofer with:

Compare Bowers & Wilkins Formation Duo with:

Connectivity features such as Bluetooth and HDMI ensure compatibility with a wide range of devices. These speakers are ideal for creating a home theatre-like environment with immersive sound output. Audio enhancements and surround technologies improve clarity and spatial sound performance. If you're comparing Bowers & Wilkins Formation Duo and KEF Refrence 8B Subwoofer, both systems are built to enhance your home entertainment experience with strong audio output and advanced features. Variations in sound output and surround capabilities affect how immersive the audio experience feels.

Verdict: Both speakers offer strong performance, and the better choice depends on your preference for power, surround sound, and features.

Top Differences

  • Bluetooth: na vs no
  • Bluetooth Version: 4.1 vs NA
  • Frequency Response: 25 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