Sennheiser HMEC 250 NoiseGard Pilot Headset
I bought my Sennheiser HMEC-250 headset when I started private pilot lessons at Springbank, Alberta in March 2010. After extensive web search, I ordered this headset online (without trying it), because:    1. Very good price (much cheaper than other headsets, such as Bose, Lightspeed, etc., $450 Vs. $900 to $1,100)  2. Noise canceling function;  3. Smaller size than others (can fit it in my flight bag easily. I don't have to carry two bags, flight bag and headset bag);  4. Convenient volume controls (very s