When building a crossover you need to be aware of interference and transfer of sound from 1 inductor to another even capacitors and resistors. This video will let you hear it and do the necessary changes to avoid it.
Also see the other 2 videos on the same subject link below. This video builds on that and goes further to setup the components.
https://youtu.be/N5U5fp1zlsk
https://youtu.be/00tTZyLQ8-I