Take your 50R's audio to the next level with SOUND BY Harman Kardon speakers. These premium speakers were created with the audio experts at Harman Kardon to provide world-class sound for the 50R. Expertly crafted speakers allow the 50R to deliver an unmatched audio experience while riding. The speakers send crystal clear audio to riders' ears while listening to music, chatting over the intercom, taking phone calls, and more. Original 50R users who upgrade their speakers will need to update their device's firmware and enable the SOUND BY Harman Kardon speakers in the Sena Motorcycles App. For upgraded speakers and microphone, please see the 50R Mounting Accessory Kit with SOUND BY Harman Kardon.