alpine s-w10d2 compatible with ford f-150 ext super cab truck 2004-2008 bundled with dual 10" custom sub box enclosure american sound connection <p><b>this package includes the following items:</b></p><ul><li>1 x 2004-2008 ford f150 ext cab or 2004-2006 ford super crew dual 10" custom sub box enclosure</li><li>2 x alpine s-w10d2 car audio type s series sub dual 2 ohm 1200w peak 10" subwoofer</li></ul><br><p><b>2004-2008 ford f150 ext cab or 2004-2006 ford super crew dual 10" custom sub box enclosure:</b></p><b>features:</b><ul><li>dual 10" 2004-2008 ford f150 extended & 2004-2006 super crew truck sub box<ul><li>air space: 0.55 cubic feet per sub </li><li>mounting depth: 5.25"</li><li>sealed enclosure</li><li>dimensions: width 49" x front height 6-3/4" x rear height 7-3/4" x depth 11-3/4"</li></ul><li>constructed with high quality mdf</li><li>high quality binding terminal cups (accepts banana terminal plugs or bare wire 'up to 10ga')</li><li>high quality black carpet</li><li> <b>fits under rear seat</b></li></ul><b>this box fits:</b><ul><li> 2004-2008 ford f150 extended cab truck</li><li>2004-2006 ford f150 super crew truck</li></ul><br><p><b>alpine s-w10d2 car audio type s series sub dual 2 ohm 1200w peak 10" subwoofer:</b></p><li><b>general features:</b><ul> <li>10" 2 ohm s-series (type-s) subwoofer</li> <li>power handling:</li> <li>peak: 1800 watts</li> <li>rms: 600 watts</li> <li>recommended power range: 250- 600w rms</li> <li>pulp/kevlar cone</li> <li>high amplitude multi-roll (hamr) surround</li> <li>progressive spider with reinforced layer tinsel leads</li> <li>airflow optimized dual flare pole vent</li> <li>high strength steel frame basket</li> <li>8 awg push terminals with vc configuration jumpers</li> <li>dual voice coil</li> <li>high grade strontium ferrite magnets</li> <li>top-mount depth: 4-11/16"</li> <li>cutout diameter: 8-13/16</li> <li>frequency response: 26- 200hz</li> <li>sensitivity: 86.4db</li> <li>resonance frequency (fs): 33 hz</li></ul></li></li>