Hold on just a moment. If you go randomly pairing drivers and an off the shelf crossover, you're not going to like the results. (Well,
I probably wouldn't like the results. But I'm trying to help you avoid making a mistake.)
There are complete kits available. Have a look at
THESE as an example. Decent drivers, appropriate for the task, and a network specific to the design and by a fellow who has a clue about such things. Now, these are passive speakers, so if your intended use is live reinforcement, they are not the right tools.