Year, Make, Model: 2008 Chevy Impala LTZ
Make, Model, Size, How many: Elemental designs 13Ov.2, 12", 4 of them
How much power per sub:Each sub will be getting 600 watts rms
SPL or SQ: A good mix of both
5. Sealed or ported
6. Sub/port placement
7. Max dimensions
: h16" w35" d35"
8. Desired NET vol and tuning
(optional): 1.4-1.75 per sub (2.8-3.5 per pair)
10. Zip code for shipping
11) Additional comments
: heres a tricky one for ya, tryin to aim all the subs and ports to the interior to avoid trunk rattling. Subs will be sealed off from the trunk. Bandpass is also an option as long as it will not be a pure spl box, has to sound good for daily driving.