redwoodaudio
Your most indispensable "tweak"?
My 6mtly visit to my ENT Professor to vacuum the old wax out of the ears, after it you swear you come out hearing like a bat.
Scroll down and watch video, and you'll see what I mean.
https://www.insider.com/video-tiny-vacuum-cleans-out-earwax-2017-11
Cheers George