The above is 100% correct. You can buy a 150 dollar duck call, but if you sound like a blue herron on it, it just will not turn out too great. I own several calls from RNT, Zink, Foils, and Duck Commander. These are all great calls, but I like having a call that is set up for me. There are several call makers that will tune a duck call to your likeings in person or over the phone. I have yet to meet a call maker who will not help someone out. Try Allen Bliven Calls, Waccamaw Calls, and Muddy Paws. They are great call makers and will all find a call to fit your needs.