I believe that means the group has a discord channel.
There is no discord link in the event description, so maybe not?
The speaker icon indicates that there’s an audio track associated with the ride. Sometimes, that track is an intro played before the ride begins. Other times, it’s a track played for the duration of the ride (i.e. podcast ride).
Generally, if the event leaders have a Discord channel, they’ll say so and link to it in the event’s ride description. But this is up to the event leaders to provide this information.
Podcast ride? Where can I find out more about that?
Aha! I wondered the very same thing this evening. It’s the first time I’ve even noticed there’s a speaker icon!