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Bowers & Wilkins DB4S
Give your home theater set-up the bass impact it deserves with DB4S – a powerful, classically styled single driver subwoofer that's a perfect match for the 700 Series.
- 1 x 250mm (10 in) Aerofoil™ Cone Bass
- Digital Preamplifier with Dynamic EQ
- App-Based Set-Up and 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.
Nimble and powerful
Solid, dramatic bass is delivered through the rigidity and lightness of the uniquely-shaped, variable thickness Aerofoil™ cone.
Powerful amplification
Thanks to digital amplification, DB4S delivers all the precision, control and authority you could ask for.
Digital preamplifier
DB4S uses a digital preamplifier featuring Dynamic EQ, for optimized audio performance across the available frequency range.
Control App
Adjust calibration and correction easily using the dedicated DB4S smartphone app.
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Professional Reviews 87/100
Nicely Roasted
Sound Quality
91/100
Integration
80/100
Build Quality
90/100
Features Connectivity
92/100
Value for Money
78/100
Engineered for subterranean control, the DB4S pairs a 10-inch Aerofoil driver with a 1,000W Class-D amplifier, DSP Dynamic EQ and a sealed cabinet for serious low-frequency authority. As SoundStage Solo reports, app-based control and automatic room correction add welcome precision, while balanced XLR, RCA and trigger connections make this a deep-reaching, highly configurable home-cinema and music upgrade.
Pros
Combines a 10-inch Aerofoil bass driver with a 1,000W Hypex Class-D amplifier for substantial low-frequency capability.
DSP Dynamic EQ, automatic room correction and app-based control provide extensive setup flexibility.
SOUND QUALITY PERFORMANCE 91/100
Bass
92/100
Spec sheet claims a sealed 250mm Aerofoil cone with -3dB at 10Hz (centered on 100Hz) and -6dB at 8.5Hz, implying exceptional low-frequency extension and controlled output for a sealed design. No review outcomes provided to verify in-room extension or relative SPL against larger reference subs.
Dynamics
88/100
Closed-box architecture, Aerofoil cone, and substantial cabinet mass (26kg) plus DSP imply tight transient control and good dynamic authority; specs suggest robust amplifier capability (implied by power listing). No reviewer measurements or listening comments provided to confirm slam/headroom in demanding material.
Assessments of Build Quality, Usability, and Overall Propositions.
Integration
80/100
Has app-based setup, Digital preamplifier with Dynamic EQ, XLR/RCA inputs and presets that facilitate integration. Features ≠ Integration; add outcome evidence or lower Integration. No reviewer descriptions (e.g. 'disappears', 'seamless') available to confirm real-world blending with mains.
Build Quality
90/100
Premium finishes (Gloss Black, Satin White, Rosenut), heavy 26kg cabinet and B&W's Aerofoil driver point to high build standards and cabinetry rigidity. No hands-on review notes available to corroborate long-term durability or fit/finish impressions.
Features Connectivity
92/100
Comprehensive I/O: 2x XLR, 2x RCA, 2x 3.5mm triggers, RS-232; app-based setup and BT-LE control plus Dynamic EQ provide excellent usability and integration tools. Well-appointed feature set per spec sheet.
Value for Money
78/100
At the provided price (~2700) the DB4S sits in a premium bracket; specs suggest class-leading sealed performance but high cost tempers value. No reviewer language (e.g., 'no-brainer', 'best in class') present to justify a top-tier value score.
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Authorized dealers for Bowers & Wilkins DB4S
- Resolution A/V — in-store — New York City, New York, United States (website)
- 3mA Audio — online and in-store — Houston, Texas, United States (website)
- Absolute Audio - Canada — in-store — Calgary, Alberta, Canada (website)
- Abt Electronics — online and in-store — Glenview, Illinois, United States (website)
- Accessories 4 less — online and in-store — Apopka, Florida, United States (website)
- Acoustic Sounds — online and in-store — Salina, Kansas, United States (website)
- Acoustica — online and in-store — Chester, England, United Kingdom (website)
- Acton Gate Audio — online and in-store — Cymru, United Kingdom (website)
- AES — in-store — Mitte, Hessen, Germany (website)
- Ahead Stereo — in-store — Los Angeles, California, United States (website)
and 276 more verified dealers