Hearing protection

I recall wearing something similar to these at NASCAR races years ago:

http://radio.about.com/od/nascarradio/ss/blNASCARProScan.htm

These would seem to do the trick for you.

https://www.taunton.com/finehomebuilding/toolguide/product-finder/peltor-worktunes-headphones.aspx?nterms=91096,61632,65548

This site has reviewed some hearing protection radio headphones in the last year in their magazine:
finehomebuilding

Regards,
Miles

cigarette filters work in a pinch or if your poor,YMMV

I was wondering if the Husqvarna ones were worth the $150
price of admission. Steve