KEF

Bowers & Wilkins

Refrence 8B Subwoofer

Formation Duo

Home Theatre Speaker Specification

Home Theatre Speaker Specification

Dynamic

Dynamic

2 X 225 mm

25/165 mm

NA

NA

NA

NA

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

AC 100V - 120V / 220V - 240V ~50/60Hz

100V - 240V - 50/60Hz

2 X 500 W ( RMS ) Class D
Internal Volume 23L

2 X 125 W ( RMS )

110dB

NA

NA

No

No

34 Kg

10.6 Kg

Speaker : 398 mm X 365 mm X 429 mm

395 mm X 305 mm X 197 mm

Black

Black, White

KEF Reference 8B Subwoofer
Power Cable
Product Manual

Bowers & Wilkins Formation Duo Speaker

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.