Technical Information; Mono Connection Diagram; Stereo Connection Diagram - Bose A20 Aviation Headset Notice D'utilisation

Do not use excessive force or bend the installed connector. This may
Caution:
damage or break internal solder joints.
The aircraft panel connector cannot be installed in an audio system using
Note:
transformer-coupled audio outputs. Contact Bose Technical Support, using
the contact information on page 39 for details.

Mono connection diagram

Existing wiring to
aircraft intercom/
audio panel

Stereo connection diagram

Existing wiring to
aircraft stereo
intercom/audio panel
10-32
1/2A
V DC
Microphone - Jack
TPP
(PTT)
Tip
(phone audio)
10-32
1/2A
V DC
TPP
(PTT)
Phone
audio (right)
Tip
(phone audio left)
RED
BLK
BLK/WH
WHT
BLU
WHT
WHT/BLU
BLK/WH
Headphone - Jack
RED
BLK
BLK/WH
WHT
BLU
WHT
WHT/BLU
BLK/WH
Microphone - Jack
Stereo Headphone - Jack

Technical Information

1V+IN
2 GND
3 COMM L
4 COMM R
5 MIC HI
6 MIC LO
Ring
(audio)
Existing PTT
Barrel
switch
(gnd)
and wiring
(no connection to
Bose headset)
Barrel
(audio gnd)
1V+IN
2 GND
3 COMM L
4 COMM R
5 MIC HI
6 MIC LO
Audio
Barrel
(gnd)
(no connection to
Bose headset)
Barrel
(audio gnd)
Existing
PTT switch
and wiring
English - 37