WORLD-CLASS AUDIO QUALITY. The 50C offers an unprecedented audio experience with SOUND BY Harman Kardon. Both the speakers and microphone were created with the audio experts at Harman Kardon to provide world-class sound inside your motorcycle helmet. An all new microphone, which includes a newly designed sensor, offers robust performance for voice communication while riding. These premium SOUND BY Harman Kardon audio elements combine to help elevate the 50C to the ultimate Audio / Visual tool for all riders.MESH & BLUETOOTH INTERCOM, CONNECT TO ANY OTHER SENA HEADSETThe 50C conveniently offers both Mesh and Bluetooth Intercom platforms, allowing users to connect with any Sena headset for rider-to-rider communication. Mesh Intercom provides robust, reliable connections and flexible intercom message routing with significant enhancements to Sena’s Mesh algorithm. Mesh offers unprecedented intercom audio quality and houses two Mesh settings, Multi-Channel Open Mesh Intercom™ and Group Mesh Intercom™.Multi-Channel Open Mesh Intercom (Open Mesh) features the industry’s first Mesh Intercom™ channel system. Like standard handheld or CB radios, Mesh allows users to switch between nine different channels when operating in Open Mesh mode. Open Mesh boasts the single push of a button to click-to-connect to the Mesh intercom network. Open Mesh supports a near-limitless number of users within a range of up to 5 miles / 8 km (min. 6 riders @ 1 mi / 1.6 km intervals).For a private group conversation, 50C users can use Group Mesh Intercom mode. Group Mesh supports a private group of up to 24 participants and the same range as Open Mesh. To ensure privacy, only invited users can join the Group Mesh chat.Traditional four-way Bluetooth Intercom mode is also an option for connecting the 50C to other Sena Bluetooth-enabled users within a 1-mile range. When connected to just one other Sena Bluetooth headset, 50C users will experience HD intercom quality. Additionally, users can pair with a Sena Bluetooth Intercom user and ‘bridge’ them into a Mesh 2.0 intercom conversation.