Companion
®
3 Multimedia
Speaker System
©2007 Bose Corporation
Service Manual
Reference Number 271885-SM Rev. 11
Electronic copy only
The Companion 3 multimedia speaker system is a stereo system designed to be used as a computer sound
system. It can be used with any analog audio source. It has a bass module with a 6.5 inch dual voice coil
woofer in a slot ported design. The two satellite speakers connect to the bass module and are easily mounted
to a monitor with brackets, or can be placed on a desk or other desired surface. A wired remote control pod is
used to control volume and mute/un-mute functions. It also has a second input and a stereo headphone output.
There are two different versions of the Companion 3 - Early Version / Later Version. From the outside there is
basically no difference but the boards inside are different. Please note the differences are documented in the
Electronic Part list. If a part numbers has changed from the early version or a part number has been added to
the later version a number 4 will be shown in Notes column. The product codes can be used to determined the
version. The product code for the early version is 033935 and the product code for the later version is 033061.
These product codes are the first six digits of the serial number and are located on the bottom of the system.
The serial number should be used to determined where the system was manufactured before attempting a
repair.
Product Description
Manufacturing Information - Early Version / Later Version
