Sena 10U and Sena 3S

The Intercoms Without an Intercom Module October 17, 2014 – The Sena 10U is a motorcycle Bluetooth communication system that is completely self-contained in the speakers. UPDATE: Sena 10U review now posted! That means the 10U does not have the traditional clip-on intercom module. The entire intercom “brains” are contained in one speaker while the battery is …