shelbyswanger91b Posted January 19, 2015 Report Share Posted January 19, 2015 i have a 04 lincoln navigator i plan on putting 2 DC Audio level 4s in it. the recommended box sixe for one is 4 cubic feet sealed and 5.5 ported. the displacement of the sub is .26 cubic feet. the room i have is 52 inches wide by 49 inches long by 32 inches tall for the box subs 2 amps that are Heatsink Length inch/mm 16.5" Heatsink Width inch/mm 9.38" Heatsink Height inch/mm 2.35" another battery and a Rockford Fosgate punch 400.4 and a jbl 300.1 sub specs 18" Mounting Depth 9.5" Mounting Hole Diameter 16.75" Outside Driver Diameter 18.5" Motor Width 7.75" Weight 36lbs VC Diameter 3" Displacement .26³ ft Magnet Weight 29lbs Power Handling RMS/Peak 1400/2800 Impedance (Ohm) D1 or D2 Sd 1217cm² Vas 175.29 liters Cms .085 mm/N Mms 427.53 g Fs 26.4 Hz BL 19.18 NA Re 3.82 Ohm Le 3.78 mH Qms .746 Qts .701 Xmax 223.5 mm Ref SPL @ 1 watt 88.2 dB Suggested Sealed 4³ ft Suggested Ported 5.5³ ft Link to comment Share on other sites More sharing options...
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