The tuning process takes the longest and is the most tedious process in an active setup FYI. Hope this helps and clears any questions he can also use a ARC Audio MX-3, 3-way active crossover as a 3-way setup, and you dont realy need 3 amps for a 3way setup. you can use the MX3 and 3 amps or you can use a MX1 for a 2-way or 3-way setup.