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What do you plan to use it for. How do you plan to use it. Lot of options. For wireless hand free in every way. To just ride passenger com wireless to bike to bike.
I agree with above if you want it all Go HD WHIM and get the HD branded A20 EVO or Dual. Good luck.
I have the WHIM , already had SENA S20 they will be getting replaced with HD version.
Not just because of the stereo sound.
HD version is weather resistant SENA version is not
HD you can change head set setting from the boom screen Sena version you can not.
Odd responses, I didn't think the Road Kings came with the infotainment systems.
Sena 20s is probably the most popular but there are other good brands and units.
Go to the RevZilla site and do a search for communication units and they have a bunch of reviews.
I have a Sena 30K coming in any day now, I probably won't be using them sense I went with the H-D branded EVO, if I cannot return them and you're interested, let me know, I might be able to make you a little better deal on brand new in the box.
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