It's not just pedestrians but also cyclists that have trouble hearing EVs. Some sort of approaching sound would be awesome; no microphones, please. Cyclists already get enough vehicle harassment. And before you sound off about crazy cyclists, know that I founded a women's cycling club and coaching business in Portland, OR where we work tirelessly to promote safe and legal biking practices among our members! There. Hopefully we can stay on topic with EV speakers. Admittedly, I kinda opened the door :O
Pedestrians hate cars and cars hate pedestrians. But everyone hates cyclists. Some of the most annoying people out there.