Bose A20 User Manual

Technical Information
36 - English
Caution: Do not use excessive force or bend the installed connector. This may
damage or break internal solder joints.
Note: The aircraft panel connector cannot be installed in an audio system using
transformer-coupled audio outputs. Contact Bose Technical Support, using
the contact information on page 39 for details.
Mono connection diagram
10-32
V DC
1/2A
1V+IN
2 GND
3 COMM L
4 COMM R
5 MIC HI
6 MIC LO
RED
BLK
WHT
BLU
WHT
WHT/BLU
BLK/WH
BLK/WH
Ring
(audio)
Existing PTT
switch
and wiring
(no connection to
Bose headset)
Microphone - Jack
TPP
(PTT)
Barrel
(gnd)
Headphone - Jack
Barrel
(audio gnd)
Tip
(phone audio)
Existing wiring to
aircraft intercom/
audio panel
Stereo connection diagram
Existing wiring to
aircraft stereo
intercom/audio panel
10-32
V DC
1/2A
1V+IN
2 GND
3 COMM L
4 COMM R
5 MIC HI
6 MIC LO
RED
BLK
WHT
BLU
WHT
WHT/BLU
BLK/WH
BLK/WH
Audio
Existing
PTT switch
and wiring
(no connection to
Bose headset)
Microphone - Jack
TPP
(PTT)
Barrel
(gnd)
Stereo Headphone - Jack
Barrel
(audio gnd)
Tip
(phone audio left)
Phone
audio (right)

Bose A20 Specifications

General

Type	Aviation Headset
Connectivity	Wired
Battery Life	Up to 45 hours
Warranty	5 years
Noise Reduction	Active Noise Reduction
Bluetooth	Yes
Weight	12 oz (340 g)
Compatibility	General Aviation Aircraft
Cable Length	Varies with connector type
Microphone	Electret Noise-Cancelling