AMX240 Audio Panel

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Amx 240

Printed From: Avidyne
Category: Avidyne General
Forum Name: AMX240 Audio Panel
Forum Description: Topics on the Avidyne AMX240 Audio Panel
URL: https://avidynelive.com/forum_posts.asp?TID=1752
Printed Date: 26 Mar 2026 at 11:49am
Software Version: Web Wiz Forums 12.07 - https://www.webwizforums.com

Topic: Amx 240

Posted By: Rmurphy5
Subject: Amx 240
Date Posted: 27 May 2019 at 12:16am

Hi there, just completed an avidyne install on a beech baron. On the six place intercom all 4 pax come through very quiet and they need headset volume right up to last to hear pilot and Co pilot. All were using bose a20s. Pilot and co pilot works as you would want it to. Any ideas!? Thanks

Replies:

Posted By: Gring
Date Posted: 27 May 2019 at 2:22am

I have one in my Bonanza and it works great. Have you tried the obvious like adjusting the passenger volume knob on the unit? Also, if you upgraded from an older system, the headset jacks need to be rewired for stereo and all of the headsets need to be in stereo mode. Check the Bose headset dip switches.

Posted By: Rmurphy5
Date Posted: 11 Jul 2019 at 1:32am

Hi Gring - the tip to change the headset setting to stereo did the trick - all positions now hear perfectly and it works great!

Posted By: Gring
Date Posted: 11 Jul 2019 at 2:08am

Great, you'll find that holds true with most audio panels. Where there is a mismatch between how the airplane is wired vs how the headset is set (mono or stereo), you will hear out of only one ear.