Originally Posted by Window_Seat

I had the Mach 1 for 2 months. They would have been just alright if they were $150. Overpriced and most of the time did not stay secure in the ear. I was always having to hold the mic up to my mouth. If you bought the custom ear molds it would have brought it up to around $750 total. I would not recommend them. The guys at Marv golden pilot supplies recommended the clarity aloft though, a lot less returns. If you do buy, buy from their website, great return policy and very friendly and helpful.