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<blockquote data-quote="hispls" data-source="post: 8296972" data-attributes="member: 614752">A single high output 15&quot; will get you 145 on that power assuming you build a half decent box and own a meter to do some tweaking.&nbsp;&nbsp; 4&quot; coil is total overkill for 2000W to a pair of subs as well.My numbers are assuming you&#039;re buying used and can build your own box of course, and figure in enough budget for a box, cheap head unit and wiring kit.Good sub&nbsp; 250-350$head unit 100$Wiring kit 100$1000-1500W amp 250-300$Box&nbsp;&nbsp; 80-150$ (depending on materials and finish).Single 15&quot; in a BIG box will get you there no problem at power level that you can run on your stock electrical.&nbsp;&nbsp; If you can run 2KW and want to invest in the upgraded electrical, set your sights to 147.Almost everyone over-estimates how much box volume they have to work with.&nbsp;&nbsp; It is very important, particularly on low power, to have adequate box volume, large port area, and enough room to move the box around in the cargo area no optimize output.&nbsp;&nbsp; Often times you can find a full 2dB just by moving the box around in the cargo area to find the best position for the meter!</blockquote>

[QUOTE="hispls, post: 8296972, member: 614752"] A single high output 15" will get you 145 on that power assuming you build a half decent box and own a meter to do some tweaking. 4" coil is total overkill for 2000W to a pair of subs as well. My numbers are assuming you're buying used and can build your own box of course, and figure in enough budget for a box, cheap head unit and wiring kit. Good sub 250-350$ head unit 100$ Wiring kit 100$ 1000-1500W amp 250-300$ Box 80-150$ (depending on materials and finish). Single 15" in a BIG box will get you there no problem at power level that you can run on your stock electrical. If you can run 2KW and want to invest in the upgraded electrical, set your sights to 147. Almost everyone over-estimates how much box volume they have to work with. It is very important, particularly on low power, to have adequate box volume, large port area, and enough room to move the box around in the cargo area no optimize output. Often times you can find a full 2dB just by moving the box around in the cargo area to find the best position for the meter! [/QUOTE]

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