Bowers & Wilkins ASW825/ASW855 Active Subwoofer Owner's Manual

About this manual

This manual provides safety instructions, warranty information and detailed guidance for unpacking, positioning and connecting the B&W ASW825/ASW855 active subwoofer. It explains the required power specifications, recommended placement, and how to adjust controls such as volume, low‑pass frequency and phase.

The document also covers wiring diagrams for home‑theatre and 2‑channel audio installations, explains how to use the subwoofer with THX® controllers, and offers troubleshooting tips for common issues like damaged power cords or faulty connections.

What's inside

• Limited Warranty
• Unpacking
• Positioning the Subwoofer
• Electrical Connections
• Switching On and Off
• Control Settings
• Home Theatre Decoder Use
• Fine‑Tuning

Specifications

Frequently asked questions

How long does the limited warranty last?

The warranty is valid for five years from the date of purchase for the subwoofer, and two years for electronics such as the amplified loudspeaker.

What should I do if the power‑supply cord is damaged?

Stop using the subwoofer, do not attempt to repair it yourself, and contact an authorised B&W dealer or distributor for service.