Use one amp for woofers on both speakers and one amp for mid and tweeters on both speakers. This is called Horizontal bi-amp. This will explain the difference between horizontal and vertical bi-amping!
https://www.audioholics.com/frequent-questions/the-difference-between-biamping-vs-biwiring
https://www.audioholics.com/frequent-questions/the-difference-between-biamping-vs-biwiring