KEF Refrence 8B Subwoofer vs Bowers & Wilkins DB1D – Specs, Price & Comparison (2026)

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 Â±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 subwooferâ€™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.

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. Bowers & Wilkins DB1D and KEF Refrence 8B Subwoofer are feature-rich speaker setups offering a combination of powerful sound, surround experience, and connectivity options. Differences in power output, channel configuration, and audio technologies can impact overall sound performance. Modern connectivity options make these systems flexible for different setups and devices.

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

Top Differences

Sound Output: 2000W vs 2W
Channels: 2000 vs 2
Bluetooth: na vs no
Frequency Response: 8.5Hz - 500Hz, 10Hz - 350 Hz vs Variable Frequency 40Hz - 160Hz Frequency Range Free Field ( -6dB ): 18Hz Frequency Response : ( Â±3dB )24Hz At 90dB Output In Free-Space Mode
Subwoofer Size: 600 mm vs 2 mm

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Top Differences