Originally Posted by Temocil27

I highly recommend the David Clark ProX. I've worn the Bose A20 and the Telex 850 in the E175. Bose is a great headset but a little robust to wear for 8 hours at a time (and very expensive). The Telex is much lighter but can hurt your ears and head after a few hours. Also, the noise canceling is weak and the speakers just plain suck. You will miss radio calls. I got the DC's just to try for a trip or two and now I can't recommend them highly enough.