Sub users...

2- subs will be better in a 2ch system but one will still work well --I have the f113s and they are very good subs---since you have never owned any subs --you might just buy one and can always get another one later--you can experiment with diff xover points and find the one that is best for your system --you may surprise yourself that it will be higher than 30hz !!!

First of all don't place it near that cute baby :) great pic---there will be some disagreement about whether or not ic's make much difference on subs --in my 2ch system I found that the better ic 's did make a difference on both subs jl f113s--in my HT system I just use a relatively inexpensive xlr cable- on an f113 -you will have to play around with diff positions and find out what works best for your very nice system--can use a less expensive one first and once happy with the position of one or 2 subs then upgrade the ics---Rich

you can try the subs with your speakers running full range and fill in the botoom ie 35-60 hz and down or get an external xover which I use and get increase in dynamics etc from your mains --2 schools of thought on this with lots of opinions either way --you just have to try and decide which way you like it---rich--glad the little one is dancing :)