Received my first comm system today......
I must have researched this purchase for almost a month looking at Autocom, Starcom, Scala, Interphone, etc. I read a ton of reviews on them all.
I decided on the Sena SMH10. I received it today via 2 day priority mail included in the sale price of $165.00
I charged the unit and downloaded the Sena Manager on my MAC. Uploaded the latest software and charged it.
I have an iPhone 4 and a Zumo 550. I paired the iPhone to the headset first since it was already paired with the Zumo. The phone worked flawlessly but the Zumo would drop out from time to time. I had heard this might happen but wanted to try anyway. I then deleted the pairing of the Zumo to the iPhone and paired the Zumo to the headset. Everything worked perfectly. I can receive calls, get directional prompts, and listen to music. The voice control of the iPhone negated having to have the phone paired with the Zumo. I received several calls and made several calls. Sund quality was great. I did not have the wind buffer on the mic so some could here a little wind noise above 40 mph. I have now install the wind buffer clip so I will try it out tomorrow night.
I hit the interstate and the music was plenty load at 80 mph. When you get a call the music fades out and when you finish the call the music fades back in. I am really impressed with the quality and ease of use. The Scala has like 6 buttons. The Sena has one button and the jog dial. You can use it for several different things like volume control or scrolling through a music playlist.
If your in the market for a new headset, check them out.