2023 NEW box speaker for electric car siren speaker

AS WE know now it electric car booming time,many good design and hot outlook, more and more electric car show up in the road, more and more people bought this cars and like them.but another problem come up,electric car is driven by battery, when car move, it's silent, quiet , now sound come out, EU alrady release a new law , electric crd in EU need assemble a siren speaker to noticefy people car is coming when car near people at a close distance. and our XDEC speaker also notice it and design a box speaker, it can produce a sound wave or alarm sound to notice people in the front of cars,  to let them know car is coming and pls keep away of sitance to avoid people get hurt. our we have BOX57, BOX66, WEOCME client to choose !