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Bowers & Wilkins DB4S

Powered subwoofer (Satin White)

Item # 749DB4SSW

This high-octane sub delivers exceptionally powerful, controlled bass from a modestly sized enclosure.

This high-octane sub delivers exceptionally powerful, controlled bass from a modestly sized enclosure.

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Item # 749DB4SSW

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$1,599.99

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About the Bowers & Wilkins DB4S

Brilliant bass from Bowers & Wilkins

Every now and then I'm tempted to buy a new subwoofer for my living room system, even though the last thing I need to do is bring home another new speaker. The Bowers & Wilkins DB4S has me thinking hard. So why does it have me intrigued?

Brilliant bass from Bowers & Wilkins

Every now and then I'm tempted to buy a new subwoofer for my living room system, even though the last thing I need to do is bring home another new speaker. The Bowers & Wilkins DB4S has me thinking hard. So why does it have me intrigued?

Well for starters, it carries the pedigree of Bowers & Wilkins' five decades of superb audio engineering. But beyond that, the DB4S packs a ridiculous amount of punch into a modestly sized enclosure. It's the kind of sub I would look forward to listening to every day. 

Bowers & Wilkins DB4S powered subwoofer

The DB4S pairs a 10" woofer with a 1,000 watt amp to fill your room with exceptionally deep and accurate bass (shown in gloss black).

A look at what's inside (hint: it's really nice)

The DB4S houses a 10" woofer driven by a 1,000 watt amp — all from a sub enclosure that measures a little more than a foot per side

The woofer uses the same highly acclaimed Aerofoil™ driver material found in Bowers & Wilkins' 800 Series Diamond speakers (world-class floor-standing speakers that sell for $30,000 a pair). 

This light, ultra-stiff driver resists bending and flexing far more than conventional cones for incredibly deep and accurate bass with music and movie soundtracks. 

Precise and powerful 

This sub can provide delicate low-frequency details, as well as tirelessly pound out deep bass at high output levels with next to no distortion. It can shake the house, certainly. But this sub's forté is creating lifelike bass with precision and control — all the way down to a staggeringly low 10 Hz.

This sub is an excellent complement to Bowers & Wilkins 700 Series models, including the 702 S2.  

Tailor the sound to your room

The DB4S is set up and controlled entirely from the Bowers & Wilkins DB Subwoofers app. Using your tablet or smartphone's microphone, the app takes bass measurements to find acoustic irregularities and automatically applies correction.

The result? Smooth, well-balanced bass that's tailored to your specific room, furnishings, and audio system. A friendly heads-up: there are no sound controls on this sub — all adjustments are made via the app.

A rich history of audio excellence

Founded in England in the 1960s, Bowers & Wilkins is known worldwide for their innovative hi-fi speaker designs and their premium headphones. Crutchfield is proud to offer a diverse selection of products from this legendary audio brand.

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Product highlights:

  • frequency response: 10-350 Hz (-3dB)
  • 1,000 watt Class D Hypex amplifier
  • 10" front-firing Aerofoil™ woofer
  • full setup and control via the Bowers & Wilkins DB Subwoofers app for Apple® and Android™
    • room optimization is done using your device's built-in mic
    • DSP (Digital Signal Processing) tailors performance to your room
    • volume, EQ, and other sound controls are all done via the app
    • there are no rear-panel controls on this subwoofer
  • acoustic suspension (sealed) cabinet design
  • line-level/LFE RCA and balanced (XLR) inputs
  • 3.5mm serial (RS-232) and 12-volt trigger inputs for custom automation setups
  • beautiful satin white finish
  • 14-1/8"W x 14-13/16"H x 14-1/2"D
  • weight: 57.3 lbs.
  • warranty: 2 years
  • Our 60-day money-back guarantee
  • MFR # FP39675

What's in the box:

  • Powered subwoofer
  • Grille
  • 6.5' AC power cord
  • 4 Decoupling feet
  • 4 Rubber feet
  • 4 Spike feet
  • 4 Lock-nuts
  • Cleaning cloth
  • Quickstart Guide
  • Bowers & Wilkins brochure
  • Warranty Information
  • Cleaning cloth instructions

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More details on the Bowers & Wilkins DB4S

Stacey B.

Features & specs

Enclosure Acoustic Suspension
Video Shielded No
Woofer Size (inches) 10
Woofer Composition Aerofoil
Firing Direction Front
Wireless No
Preamp-Level Inputs Yes
Speaker-Level Inputs No
Speaker-Level Outputs No
Low-Pass Crossover Freq 25-150
High-Pass Crossover Freq None
Phase Switch Yes
Amplifier Output (watts) ---
Frequency Response 10-350 Hz
Height (inches) 14-3/4
Width (inches) 14-1/4
Depth (inches) 17-1/16
Weight 57.3 lbs
Speaker Parts Warranty 2 Years
Speaker Labor Warranty 2 Years
Amplifier Parts Warranty 2 Years
Amplifier Labor Warranty 2 Years

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Bowers & Wilkins DB3D
Powered subwoofer with digital processing and app control
Satin White
In stock
$2,499.99
Add to cart

Enjoy fuller, more balanced bass

The Bowers & Wilkins DB3D offers these features:
  • dual 8" opposed, side-firing Aerofoil™ woofers for more evenly distributed bass in your room
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