Don't know the current details, other than the website does not work. Here is an article from last year of them moving from sub-woofers to sell driving vehicles.
https://www.audioholics.com/news/lidar-velodyne-shifts-from-subwoofers-to-self-driving-cars
https://www.audioholics.com/news/lidar-velodyne-shifts-from-subwoofers-to-self-driving-cars