Yes, the Kawasaki Vulcan with the K10400-040 iPod kit works with the CoolStream Duo. The Duo plugs into the 30-Pin iPod connector of this cable (K10400-040) and gives you Bluetooth streaming to the Kawasaki stereo. This setup will work for all Kawasaki Vulcan Nomad / Voyager/ Vaquero models. The CoolStream Duo works with all iPhone models and Android phones.Continue reading: Does the Kawasaki Vulcan work with the Duo?
The difference between the Duo and the CarPro has everything to do with where you want to stream your music.
Do you have a docking station, car, motorcycle, boat, guitar amplifier, P.A. System? Then CoolStream probably has a product just for you and your stereo.