Bowers & Wilkins DB4S vs KEF Kube 12 MIE Subwoofer – Specs, Price & Comparison (2026)

Active Closed-Box Subwoofer System. Adjust calibration and correction easily using the dedicated DB4S smartphone app. Thanks to digital amplification, DB4S delivers all the precision, control and authority you could ask for. DB4S uses a digital preamplifier featuring Dynamic EQ, for optimized audio performance across the available frequency range. Solid, dramatic bass is delivered through the rigidity and lightness of the uniquely-shaped, variable thickness Aerofoilâ„¢ cone. Technical Features - 1X Ã¸250mm (10 in) Aerofoilâ„¢ Cone Bass, Digital Preamplifier With Dynamic EQ, App-Based Set-Up & BT-LE Control. For bass you can feel- With digital amplification, DB4S delivers all the visceral rumble and punch you need to bring cinema sound to life. Give your home theater set-up the bass impact it deserves with DB4S â€“ a powerful, classically styled single driver subwoofer that's a perfect match for the 700 Series.

Powerful 12 Inch woofer with 300 Watt Class D Amplifier. Kube offers versatile connection options, including KEF Smart Connect and speaker level inputs, making connecting into any system a breeze. 3 room position EQ options - The intuitive preset options ensure excellent performance from Kube no matter where in the room it is placed. The Kube features a front-firing long throw driver with a large cone area and high excursion, delivering higher output at lower frequencies. Its efficient and cool-running 300W Class D RMS amplifier further enhances performance. KEFâ€˜s proprietary DSP (Digital Signal Processing) algorithms ensure that every component of the subwoofer works in perfect harmony. Features such as iBX Intelligent Bass Extension provides even deeper and precise bass at any listening level.

Key Differences

Both models offer multiple connectivity options for seamless integration with TVs and other devices. These speakers are ideal for creating a home theatre-like environment with immersive sound output. Bowers & Wilkins DB4S and KEF Kube 12 MIE Subwoofer are feature-rich speaker setups offering a combination of powerful sound, surround experience, and connectivity options. Key differences lie in output power, channel setup, and feature support, which influence performance. Advanced sound technologies play a major role in delivering a more immersive audio experience.

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

Top Differences

Sound Output: 1000W vs 300W
Channels: 1000 vs 300
Bluetooth: na vs no
Frequency Response: 8.5Hz - 500Hz, 10Hz - 350 Hz vs Frequency Response ( Â±3dB ) : 22Hz â€“ 140Hz Variable Low Pass Filter : 40Hz â€“ 140Hz, LFE
Subwoofer Size: 250 mm vs 300 mm

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Key Differences

Top Differences