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Bose Virtually Invisible 891 オーナーズマニュアル
Introduction
About your Virtually Invisible
or 691 in-wall speakers
Virtually Invisible
The Bose
®
provide s uperior performance for built-in stereo
music listening.

Unpacking

Carefully unpack the carton and confirm that the following
parts are included:
Virtually Invisible
891
®
speakers
Two speakers
Two speaker grilles
Template
Note: If part of the system is damaged, do not use it. Contact
your authorized Bose
Refer to the contact sheet in the carton.

Recommended tools

You may need the following tools to complete installation:
Phillips-head screwdriver
Power drill
4 - English
®
891 or 691 in-wall speakers
®
Virtually Invisible
691
®
speakers
Two speakers
Two speaker grilles
Template
®
dealer or Bose customer service.
Cutting tool
Safety goggles
891

Speaker wire requirements

Gauge
18 AWG (0.82 mm
16 AWG (1.3 mm
14 AWG (2.1 mm
12 AWG (3.3 mm
• Allow enough wire from the wall to wire the speakers
before installing.
• Strip ½ in. (13 mm) of insulation at each end of both wires.
• Please check your local building codes and use only the
correct type of wire required for in-wall installation.
• For information on installing speaker wire, consult a
professional electrician or audio/video installer.

Placement guidelines

For optimal performance, install the speakers in positions
similar to the diagram below:
Notes:
Use a stud finder to ensure the speaker hole is at least 4¾
•
in. (12 cm) away from a joist.
• Mount these speakers in wood frame or similar construction
only. Bose recommends installing these speakers only in
wood frame or similar wall construction with adequately
spaced studs, as found in 2 x 4 construction.

Placement in unfinished construction

If you are planning installation in unfinished construction,
purchase the Bose rough in kit. See "Accessories" on
page 7.
Maximum Length
)
20 ft. (6 m)
2
)
30 ft. (9 m)
2
)
50 ft. (15 m)
2
)
90 ft. (27 m)
2
5 ft. (1.5 m)
minimum
4-6 ft.
(1.2 m -
1.8 m)
4-6 ft.
(1.2 m -
1.8 m)