I don't know much about your current headsets. Most are more for communication not great at other things.
I used to have a Sangean pocket radio, very good FM reception. DT-400w Fell off mount never seen again.
Worked very well. You could BT it to intercom with some kind of adapter. Has a standard headphone jack. Make sure BT will connect to headphone. Some cheap ones have issues.
Radio is about $65-75 US. Adapter who knows. Radio runs on AA batteries but lasts for months.