Just to add to the confusion, some subs *do* include a crude high-pass filter in the pass-through speaker connections, but it typically does not track with adjustment of the main crossover and does not have the same cutoff slope either.

So not recommended except for very basic systems.

Last edited by bridgman; 11/28/16 03:55 PM.
M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39
M5HP, M40ti, Sierra-1
LFR1100 active, ADA1500-4 and -8