The SRL-EXT is designed for universal fitment across SHOEI full-face helmets, offering a streamlined integration that complements the helmet’s shape. The main module installs on the left side, while the external battery mounts on the right, maintaining a balanced, low-profile setup without interfering with comfort or aerodynamics.

Convenient voice commands allow you to control the SRL-EXT’s system functions, such as answering the phone or starting up a Group Mesh session. The SRL-EXT supports voice commands in eight languages: English, French, German, Spanish, Italian, Chinese, Japanese, and Russian!

Looking for a bite to eat? “Hey Google, directions to the nearest sandwich shop.” The SRL-EXT easily connects to Google Assistant and Apple’s Siri with a simple voice command allowing you to tap into the power of your smartphone’s features, including GPS navigation, music playback, voice dialing, plus a variety of other digital assistant features.

The SRL-EXT by Sena combines Mesh Intercom™ and traditional 4-way Bluetooth® intercom, ensuring compatibility with any Sena or Sena-powered device. Sena’s Mesh Intercom™ platform offers Multi-Channel Open Mesh Intercom™ (Open Mesh) and Group Mesh Intercom™ modes. Open Mesh provides easy click-to-connect functionality and supports nine channels, accommodating a near-limitless number of users within a 5-mile / 8 km range. Group Mesh offers private group communication for up to 24 participants within the same range. Both modes deliver exceptional audio quality and reliable connectivity for seamless communication.

The SRL-EXT’s speakers and microphone were created with the audio experts at Harman Kardon to provide world-class sound inside your SHOEI helmet. Expertly crafted speakers and an all-new microphone allow the SRL-EXT to deliver an unmatched audio experience. The speakers send clear audio to riders’ ears while the microphone, with a redesigned sensor, provides robust performance for voice communication. Users will be able to switch between the wired boom microphone and the wired microphone. Experience SOUND BY Harman Kardon inside of your SHOEI helmet with the SRL-EXT.

Customize a variety of settings on your Sena device with the Sena Motorcycles App. Configure channel settings for Open Mesh or set a private group for Group Mesh. Explore all-new soundscapes with the EQ presets and give the audio a boost. Connect your Sena headset to your phone in the Bluetooth settings menu and get the most out of your adventures.