KEF

Bowers & Wilkins

Refrence 8B Subwoofer

DB1D

Home Theatre Speaker Specification

Home Theatre Speaker Specification

Dynamic

Dynamic

2 X 225 mm

600 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

8.5Hz - 500Hz, 10Hz - 350 Hz

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

AC 100V-240 V / 50 Hz / 60 Hz

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

2000 W ( RMS )

110dB

NA

Active

No

Yes

34 Kg

43 Kg

Speaker : 398 mm X 365 mm X 429 mm

460 mm X 429 mm X 410 mm

Black

Black, White

KEF Reference 8B Subwoofer
Power Cable
Product Manual

Bowers & Wilkins DB1D Subwoofer

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.

DB Series Subwoofer.
DB1D's amplifier and 12-in drivers are controlled by intelligent processing for best-in-class bass delivery.
Powerful amplification and ultra-fast Aerofoilâ„¢ drivers: a perfect partner for the acclaimed 800 Series Diamond speakers.
Combining digital amplification with twin balanced Aerofoilâ„¢ drivers for incredible low-end power and speed, DB1D is the best Bowers & Wilkins subwoofer.
Digital amplification is cool-running and energy efficient, even when working hard, while Dynamic EQ and Room EQ ensure a precise sound for music and movies.
By placing control in the palm of your hand, our subwoofer app not only makes our DB Series subwoofers a snap to set up, it also helps maximize your sound quality.
Technical Features - 2 x 300mm (12 in) Aerofoilâ„¢ Cone Drive Units In A Balanced Configuration, Digital Preamplifier With Dynamic EQ, App-Based Set-Up & BT-LE Control.