1. Sounddomain is a very reputable dealer as well as carmdia1.com both sell ID products and I have bought from both of them timely shipping and shipped "responsibly".
2.
Depends on the amp you get if it can fulfill the suggested watts to the chams at 4ohms, this will reduce the THD distortion of the amp vs an amp running at 2ohms. But of course it would be very very hard nearly impossible to hear it... I would say go for the 2ohm version!
4. The chameleons can be bought as just a woofer pair set or a set of just the tweeters or the entire component set with crossovers. Just read carefully on the description.
5. 0.5, 0.66... wont make that much of a difference.. I personally love IDQs in 0.85 - 1.0cu feet sealed boxes... just the right amount of low end and tight SQ
I havent heard them ported as curly recommended..
5b. particle is a no no... get a box that is made from MDF or HDF.... thezeb.com sells subzone there , I saw some subzone boxes on ebay and luckily the deler was in central jersey. Always ALways rememebr the seal the inner seams with either caulk.. or silicone... just in case the box has some minor leaks from the factory... you never know.
6. ... if you have about 2-3 inches of space between the heatsinks of the amp and the underbody of the seat that the amp can be placed under the seat with no problem... I have my PPI under my seat... in my accord.. no problems whatsoever... shorter RCAa/power/ground wires to deal with
typical installation is both amps on a MDF board attached to the backseat. Please no amp installation on the subbox itself.. ugh please?
considering no one will ever WANT to sit in the back of an rsx, i was thinking of going as far as just laying it on the floor...but that will just scream "jack me!"
7.
I have a simple Nakamichi CD-45z that doesnt have all that fancy stuff... some people use time allignment, HU eq yada yada yada.. I do have the output of the nak going to a audiocontrol three.1 which was bought from carmedia1.com... I bypass it's EQ settings and use it soley as a crossover to my component set andmy sub in the back.. I also use it as a balanced line driver to the PPI and JL 250/1 sub amp. In addition it was easier for me to have up front a way to control my sub volume level as well as a master volume level... I dont bother with the EQ bands because I want the signak from the HU to come as clean as possible (no processing involved) to my speakers.