Hands free phone system poor sound quality

[Blacklonghi]

Good morning !
Did anyone overcome the dramatically poor sound quality of the hands free Bluetooth system ?
Is it possible to upgrade the microphone ?
Does Someone has a fix ?

 

[Eric]

My wife took the Grenadier for a few days this week as she went to stay with some friends. ( Taking my Grenadier is another story). As we communicated each day, that was the first time I have been on the receiving end of phone calls via my Grenadier. We both have Samsung and the vehicle has an AA dongle. The conversations were quite clear and understandable with no interference. The only comment I would make was there was a general vehicle road and engine "rumble" in the background. I find it acceptable for my circumstances, vis retired and therefore don't spend time making business calls all day when driving.

 

[GN4HIR]

I pulled the overhead panel to install some additional switches. There are two microphones attached to the panel. I also noticed that the area above the panel has no sound deadening, it is just bare roof metal and and I'm sure it contributes to the background noise the caller hears. I have some sound deadening from my audio project. I ran out of time today but next time I drop the panel I will put some in.