CDT Audio is a good choice. I bought the CL-61a's and the CL-6X's for my 92 Civic DX...The CL-6X's are a "Rear Fill" and as such do not need an amp. I'm running mine off of my HU and they sound good. The CL-61A's definately need to be amped. As far as fitment, I had to do minor mods to get the rears to fit (Drill new holes in rear deck) but the fronts will require a bit more mods. I had to use a 1" spacer and do a little chopping. The stock depth is 2" and the Cl-61a's are 2 7/8"...Hope this helps...