I use the telex 5x5 with custom molded ear pieces and the regional package from here The Regional Jet Package from PilotStuff.com

After a few summers sweating from the david clamps I needed this. This is what my first IOE check airman was wearing and he swore by it. Now I'll do the same. It's not ANR but the custom molds help with passive noise reduction. It is a little louder than david clarks in the aircraft with the old wiper baldes but the comfort is worth it. Oh and it takes a bit to get the gain on the mike correct.

Airfix