Alright, so I'm finally feeling like a real BMW, farkled-out rider. Just added a Garmin Zumo 660, mounted onto Wunderlich's Integrated GPS mount system, and a Sena SMH-10 bluetooth device to my riding experience. I am about to take this stuff on a longer trip, and I'll report back later if someone's interested, but here are my first impressions.
I decided on the three items after talking with several friends, and after taking two short day rides at varying speeds, I'm very happy with all of the purchases. I have an Arai helmet (which are very quiet to begin with), wear insta-mold earplugs, and I ride an 09 R1200RT. I was able to hear both music and GPS directions in the bluetooth mode at varying speeds, including 60+ and with the windshield in the full up position (where the most wind is blocked) and the full down position (where you get hit in the fact with the most wind). I listened to MP3s via the direct outlet (where you can plug an MP3 device directly into the Sena, and I also listened to it using the bluetooth feature playing tunes on my IPhone. It's no surprise that the direct plug was louder and had more clarity than the Sena-Iphone bluetooth connection. I have not yet loaded any tunes onto the GPS unit itself, but expect that the integrity and sound quality might be better when I use bluetooth to listen to tunes there.
I have the Sena SMH10 mounted on the left side of my Arai profile helmet slightly forward of midway along the profile side of the helmet. That enables me to position the mic so that it is directly in front of the chin-level vent on my helmet, or if I want to, to raise the mic so that it is directly in front of the open area if I have my face shield raised. I have the speakers mounted directly onto the rear area of the removable cheek pads, just where those sections taper back to make room for your ears. I know that some people mount the speakers under the removable pads, directly to the styrofoam, but that makes no sense to me, because it is effectively burying the speaker behind a pillow. The Sena has been really easy to use - the large jog dial operates very easily in gloved hands, and the one button it easy to find.
So far, the Zumo 660 has been easy to see and hear, although I have not approached complex intersections to see how the lane following feature works.
The Wunderlich integrated GPS mount, which mounts directly onto the RT dashboard with no drilling of new holes necessary is absolutely in the perfect position. I'm 5'6" with a 16" torso and 32" inseam, and I don't have to move my head at all to see it, just direct my eyes toward the GPS, as it's sitting right there. Nice job Wunderlich!
Waiting for the longer journey and I'll let you know how it works out.