Bowers and Wilkins DB4S Black Subwoofer B Stock

Give your home theater the powerful bass sound it deserves with DB4S. The powerful subwoofer with single drive has a classic design and fits perfectly with the 700 series.

Highlights at a glance:

• 1000W Class D Hypex amplifier Aerofoil™ bass cone
• Digital preamplifier with Dynamic EQ
• App based setup and BT-LE control
• Width x depth x height: 360 x 368 x 377 mm
• Weight: 26kg

Advantages of Bowers & Wilkins DB4S 

The solid, dramatic bass is made possible by the strength and lightness of the uniquely shaped and varying thicknesses of Aerofoil™ cones.

Condition and scope of delivery:

• Condition: This B-stock comes directly from the manufacturer and consists of used or returned devices that have been comprehensively tested by the manufacturer and prepared for a second life. All tests and quality controls are carried out exclusively by the manufacturer to ensure high standards of sound quality and mechanical reliability. If necessary, defective modules are replaced with original spare parts. Each device is cleaned, inspected and may have cosmetic marks (scratches, paint damage) that do not affect functionality. Outer packaging and accessories vary, see item description “Original packaging” and “Accessories”. If you have any questions, you can contact us directly at any time.
• Original packaging: Available
• Scope of delivery: Power cord, spikes.

Safety information about the product:

Avoiding Moisture: To avoid the risk of electric shock or damage, do not operate the device near water or in humid environments.

Ensure ventilation: Do not block any ventilation openings on the device. Make sure there is always adequate air circulation to prevent overheating.

Keep away from heat sources: Do not place the device near heat sources such as radiators, stoves or other devices that generate heat.

Using the original power cord: Use only the included power cord and connect it to a suitable power outlet with the correct voltage.

Protecting the power cord: Route the power cord so that it is not kinked, crushed, or otherwise damaged. Make sure that it does not create a tripping hazard.

Disconnection from the power supply: During thunderstorms or long periods of non-use, remove the power plug from the socket to completely disconnect the device from the power supply.

Stable placement: Place the device on a stable and flat surface to prevent it from tipping over or falling.

Cable Connections: Ensure that all cable connections are properly and securely connected to ensure optimal signal transmission.

Volume Control: Be sure to adjust the volume to a comfortable level to avoid hearing damage.

Cleaning: Unplug the device from the power supply before cleaning. Use a soft, dry cloth to clean the surface. Avoid aggressive cleaning agents or the penetration of liquids.

Service: Do not open the device housing yourself. If maintenance or repairs are needed, contact qualified personnel or Polk Audio customer service.

High Volume Operation: Bowers & Wilkins speakers are capable of producing extremely high volume levels that could cause serious or permanent hearing damage. Limit the amount of time you listen at volume levels above 85 decibels (dB).