English - 7
Care and Maintenance
Troubleshooting
Problem
What to do
No sound
from
speakers
• Ensure the speaker wires did not
disconnect from the speakers or the receiver/
amplifier.
• Check the settings on your receiver/amplifier.
Refer to the receiver/amplifier owner’s guide for
instructions on settings.
• If other stereo speakers are connected to a
second set of audio outputs on your receiver/
amplifier, select the proper A or B speaker setting
to match the A or B outputs connected to your
speakers.
Sound from
one speaker
only
• Center the balance control on your
receiver/amplifier.
• Ensure no wires from the positive and negative
terminals on the receiver/amplifier are touching.
• Disconnect the speaker wire from the receiver/
amplifier channel and reconnect it to a different
channel.
• Check that no wires from the positive and negative
terminals are touching where the speaker wire
connects to the speaker.
• Disconnect the speaker wire from the speaker and
reconnect it to another speaker. If this speaker
works, your speaker needs to be serviced. Refer
to the contact sheet in the carton.
• Replace and re-install the speaker wire if these
troubleshooting steps do not solve the problem.
Bass/treble is
weak
• Adjust the tonal balance setting on your receiver/
amplifier.
• Ensure there are no gaps between the speaker
frame and the wall surface.
• Switch the wires connected to the positive and
negative terminals on the receiver/amplifier.
• Disconnect the speaker wire from the receiver/
amplifier channel and reconnect it to a different
channel.
Static/noise
from speaker
• Ensure the wires are in good condition, are firmly
connected to the speaker and receiver/amplifier
and are not touching across terminals.
• Connect the music source to the receiver/amplifier
properly.
• See “Sound from one speaker only”.
Accessories
For unfinished construction, use the Bose
®
rough-in kit.
The kit contains parts for two speakers and is designed for
installation after the joists are in place and before wallboard
is added. When installed, the kit reserves a place for each
speaker and indicates where to make the speaker hole in the
wallboard.
For more information or to order accessories, contact Bose
customer service. Refer to the contact sheet in the carton.
Customer service
For additional help using the system:
• Visit owners.Bose.com
• Contact Bose customer service. Refer to the contact sheet
in the carton.
Limited warranty
Your system is covered by a limited warranty. Details of the
limited warranty are provided on the product registration card
that is in the carton. Please refer to the card for instructions on
how to register. Failure to register will not affect your limited
warranty rights.
The warranty information provided with this product does not
apply in Australia and New Zealand. See our website at
www.Bose.com.au/warranty or www.Bose.co.nz/warranty for
details of the Australia and New Zealand warranty.
Technical information
Compatibility
Compatible with amplifiers or receivers rated
10-100W per channel/rated 4 to 8 ohms
Virtually Invisible
®
891: 50W IEC continuous power handling;
rated 6 ohms
Virtually Invisible
®
691: 50W IEC continuous power handling;
rated 8 ohms
Virtually Invisible
®
891 driver complement:
Two
1" (25.4 mm) dome tweeters configured in an array
One 7" (178 mm) high-excursion woofer
Virtually Invisible
®
691 driver complement:
Two ¾" (19 mm) dome tweeters configured in an array
One 5" (127 mm) high-excursion woofer
Virtually Invisible
®
891 dimensions:
11.4"H x 7.75"W x 3.55"D (292 mm x 197 mm x 90.4 mm)
Grille dimensions: 13"H x 9.33"W (332 mm x 237 mm)
Wall hole dimensions: 11.6"H x 7.9"W (295 mm x 201 mm)
Virtually Invisible
®
691 dimensions:
8.66"H x 5.74"W x 3.22"D (220 mm x 146 mm x 82 mm)
Grille dimensions: 10.2"H x 7.3"W (260 mm x 186 mm)
Wall hole dimensions: 8.8"H x 5.9"W (224mm x 150 mm)
Weight
Virtually Invisible
®
891: 5.22 lb (2.37 kg)
each
Virtually Invisible
®
691: 3.3 lb (1.5 kg) each
