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Sep 4, 2020

A20 broadcasting left and right channels on both ears

Hi,

We are delivering Bose A20 in one of our project. Need to use two channel intercom connection with A20 headsets.

I setup an example system at the office. I feed two separate audio channels to headset by using Aircraft Panel Connector (COMM L and COMM R pins). I am expecting to hear on right side right channel and on left side left channel. However, headset broadcasting both channels on both sides.

Is this the normal way operation or might there be a problem with my headset?

 

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Mar 12, 2020

Re: A20 broadcasting left and right channels on both ears

Hi There,

Have you checked the Mono/Stereo dip Switch in the Control Box?

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Re: A20 broadcasting left and right channels on both ears

I already tried couple of times. When I set the dip swith to Mono, sound level is extrelemely low. Therefore, I understand that the switch is working.

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Mar 12, 2020

Re: A20 broadcasting left and right channels on both ears

Hi There,

OK. The Sound level shouldn't change, just go from Stereo to Mono for info. You have some wiring problems there I guess?

Hope you sort it!

All the best,

Larry