
CAUTIONCAUTION
RISK OF ELECTRICAL SHOCK
DO NOT OPEN
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER (OR BACK).
NO USER-SERVICABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED PERSONNEL.
Safety Information
WARNING: To reduce the risk of fire or electric shock, do not expose the system to rain or
moisture.
These CAUTION marks are located on the back of the pedestal of the powered (left) speaker
of your 901
®
powered speaker system:
The lightning flash with arrowhead symbol, within an equilateral triangle, is
intended to alert the user to the presence of uninsulated dangerous voltage within
the system enclosure that may be of sufficient magnitude to constitute a risk of
electric shock.
The exclamation point within an equilateral triangle, as marked on the speakers,
is intended to alert the user to the presence of important operating and maintenance instructions in this owner’s guide.
CAUTION: To prevent electric shock, match wide blade of plug to wide slot, insert fully.
WARNING: No naked flame sources, such as lighted candles, should be placed on the
apparatus.
Additional safety information
See the additional safety information on the Important Safety Instructions sheet enclosed
in the shipping carton.
Please read this owner’s guide
Please take the time to read this owner’s guide carefully. It will help you set up and operate
your 901 powered speaker system properly. Save your owner’s guide for future reference.
©2001 Bose Corporation. No part of this work may be reproduced, modified, distributed, or otherwise
2 November 19, 2001 AM264271_00_V.pdf
used without prior written permission. All trademarks referenced herein are the property of Bose
Corporation.

Where to find…
Setting Up 4
Operating Your 901
Reference 10
Contents
Before you begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Unpacking the speakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Placing the speakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Connecting the speakers to a music/media center . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Connecting the speaker system to power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
®
Powered Speaker System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Listening to your 901 powered speaker system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Adjusting the sound quality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Treble and bass controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Compensating for room acoustics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Cleaning your speakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Customer service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Warranty information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Technical information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
For your records
Serial numbers are located on the back of each speaker.
901 powered (left) speaker serial number: __________________________________________________________________
901 accessory (right) speaker serial number: ________________________________________________________________
Dealer name:____________________________________________________________________________________________
Dealer phone: _________________________________________ Purchase date: ________________________________
®
Bose
recommends that you keep your sales receipt and warranty card together with this owner’s guide.
AM264271_00_V.pdf November 19, 2001 3

®
901® DIRECT REFLECTING
®
POWERED SPEAKER SYSTEM
100 - 120V
~
50/60Hz
350W MAX.
OUTPUT
TO
ACCESSORY
SPEAKER
FROM
LIFESTYLE® MUSIC
CENTER
INPUT
BASS
–+
NORM
TREBLE
–+
NORM
POWER
ON
OFF
RISK OF ELECTRICAL SHOCK
CAUTION
RISQUE DE CHOC ÉLECTRIQUE
AVIS
MAY BE COVERED BY PAT. RIGHTS ISSUED AND PENDING
INCLUDING U.S. PAT.3,582,533 4,061,890 4,146,745 4,158,756
4,739,514 AND RE31679. PATENTED IN CANADA 1974, 1980
© 1994 BOSE CORPORATION
SERIAL NUMBER
D.O.M.
BOSE CORPORATION, FRAMINGHAM, MA 01701-9168
MADE IN U.S.A.
®
Powered (left) speaker
Accessory (right) speaker
Power cord*
Audio input cable
Speaker interconnect cable
50-foot variable extension cable
In-line variable adapter
* Power cord shown is for USA/Canada/Japan. Dual voltage systems include 2 power cords. Other
power cords are as follows:
Europe UK/Singapore Australia
Setting Up
Before you begin
Thank you for purchasing the 901
speakers are the finest speakers produced by Bose
our research commitment to reproduce lifelike and spacious music along with elegant and
sleek styling.
Please take the time to read this owner’s guide carefully. It will help you set up and operate
your 901 speakers properly. Save your owner’s guide for future reference.
Unpacking the speakers
Carefully unpack the contents of each shipping carton (Figure 1):
• Remove each speaker carefully.
• Retain all packaging material for possible future use.
• If either speaker appears damaged, do not use it. Repack each speaker in its original carton
and notify your authorized Bose dealer immediately.
WARNING: To avoid danger of suffocation, keep the plastic bags that wrap these speakers
out of the reach of children.
WARNING: Each speaker weighs 52 lb (23.6 kg). Use good lifting practice to avoid injury.
®
Direct/Reflecting
®
powered speaker system. The 901
®
. Their legendary status is the result of
Figure 1
Items included in your 901
powered speaker system
4 November 19, 2001 AM264271_00_V.pdf