<h2>Sundown Audio M-Series 12" Subwoofer</h2> <ul> <li>4000w Peak / 2000w RMS</li> <li>Available in Dual 1 and Dual 2 Ohm Configurations</li> <li>Mega Roll Surround and Frame</li> <li>Etched All Black Backplate</li> <li>Quad Stack Magnet Structure</li> </ul> <p> </p> <div class="cus-flex"> <div class="box-2"> <h3 class="el-title uk-text-danger uk-margin-top uk-margin-remove-bottom">Specifications</h3> <table class="uk-table uk-table-striped uk-table-small"> <tbody> <tr> <td>RE (Ohms)</td> <td>2.22</td> <td>4.0669</td> </tr> <tr> <td>FS (Hz)</td> <td>31.931</td> <td>32.714</td> </tr> <tr> <td>VAS (L)</td> <td>39.313</td> <td>15.06</td> </tr> <tr> <td>Qes</td> <td>0.696</td> <td>0.686</td> </tr> <tr> <td>Qms</td> <td>4.654</td> <td>4.768</td> </tr> <tr> <td>Qts</td> <td>0.606</td> <td>0.6</td> </tr> <tr> <td>Le (mH)</td> <td>1.946</td> <td>3.641</td> </tr> <tr> <td>BL (NA)</td> <td>17.484</td> <td>23.84</td> </tr> <tr> <td>Mms (Grams)</td> <td>477.932</td> <td>466.6312</td> </tr> <tr> <td>Cms (uM/N)</td> <td>51.979</td> <td>50.725</td> </tr> <tr> <td>Sens (dB @ 1w/1m)</td> <td>84.387</td> <td>80.6</td> </tr> <tr> <td>Xmax</td> <td>35mm</td> <td>35mm</td> </tr> </tbody> <thead> <tr> <th class="uk-text-nowrap">T/S SPECS</th> <th class="uk-text-nowrap"><strong>M12D1</strong></th> <th class="uk-text-nowrap"><strong>M12D2</strong></th> </tr> </thead> <tbody></tbody> </table> </div> <div class="box-3"> <h3>Enclosure Specifications</h3> <div class="uk-margin"> <table class="uk-table uk-table-striped uk-table-small"> <tbody> <tr> <td>Sealed Enclosure</td> <td>Not Recommended</td> </tr> <tr> <td>Ported Enclosure</td> <td>2.5 cu ft</td> </tr> <tr> <td>Recommended Tuning</td> <td>32Hz</td> </tr> <tr> <td>Recommended Port Area</td> <td>40 sq in</td> </tr> <tr> <td>4th Order Sealed Side</td> <td>1.0 cu ft</td> </tr> <tr> <td>4th Order Ported Side</td> <td>3.0 cu ft</td> </tr> <tr> <td>4th Order Port Area</td> <td>60 sq in</td> </tr> <tr> <td>4th Order Port Length</td> <td>8"</td> </tr> <tr> <td>Displacement</td> <td>0.21 cu ft</td> </tr> <tr> <td>Depth</td> <td>10.88″</td> </tr> <tr> <td>Outside Diameter</td> <td>12.67″</td> </tr> <tr> <td>Cut-Out</td> <td>11.09″</td> </tr> </tbody> </table> </div> </div> </div>