Key facts
- Brand
- B&W
- Model
- ASW855
- Category
- Home Speakers
- Industry
- Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2012-03-17
Start here
B W 800 series user manual
This manual provides safety instructions, unpacking guidance, and detailed setup steps for the B&W ASW825/ASW855 active subwoofer. It explains how to position the unit, connect line‑level inputs and outputs, and configure controls such as volume, low‑pass filter, phase and EQ for both home‑theatre and 2‑channel audio installations.
Additional sections cover warranty information, environmental compliance, and troubleshooting tips, including how to calibrate the subwoofer with a THX® controller or other decoders. The document also includes wiring diagrams and recommended settings for optimal bass performance.
All B&W ASW855 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What safety precautions should be taken before installing the subwoofer?
Read all safety and operating instructions, do not open the back panel, keep the unit unplugged while cleaning, and ensure proper ventilation and grounding as described in the manual.
What are the recommended control settings for a 2‑channel audio setup?
Set Volume to the halfway position, Low‑Pass Frequency to 80 Hz, Low‑Pass Filter to IN, EQ to position A, and Phase to 0°.
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.
From: Bowers & Wilkins ASW825/ASW855 Active Subwoofer Owner's Manual
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.
From: Bowers & Wilkins ASW825/ASW855 Active Subwoofer Owner's Manual