Subwoofer Description As newer cars and trucks with less and less space are being designed and released, a demand for a smaller subwoofer with high output is needed to supply the demand for “Bass in a small space” application. The DC Audio 6.5 inch subwoofer is just that. Designed to work in extremely small box volumes “0.3 cubic feet each ported” and give you the maximum amount of output. These little monsters have you covered on the low frequency spectrum. Key Features Extremely rigid non-pressed paper cone assembly High Roll Stitched Multilayered reinforced polymer foam surround Rigid propylene dust cover with White DC logo Laminated Nomex Spiders Sewn flat heavy duty tinsel lead wire Die-Cast aluminum black frame / no invert mount FEA analyzed and optimized motor assembly – Fully CNC machined Rubber mounting gasket and custom tooled motor boot. DVC 2.0” Copper voice coil. T/S Parameters Sub Size6.5" Mounting Depth 5" Mounting Hole Diameter 5.82" Outside Driver Diameter 7.16" Weight 80oz Magnet Material ferrite VC Diameter 2"Copper Displacement .05³ ft Power Handling RMS/Peak 300/600 Impedance (Ohm) D2/D4 Sd 14.314cm² Vas 3.464L Cms 119 um/n Mms 92.57 g Fs 47.9 Hz BL 14.4 N/A Re 4 Ohm Qms 3.126 Qes 0.537 Qts 0.456 Xmax 16mm Ref SPL @ 1 watt 80.4 Suggested Sealed .15 Suggested Ported .3³ ft