Black nonpressed paper cone <br> Specially treated foam-edge suspension<br> Stamped steel basket with hex-key input terminal<br> Bumped vented motor structure<br> Custom-designed rubber magnet boot<br> Imp: dual 4ohm nominal<br> 15"<br><br> 2,000W max<br> 100oz + 100oz heavy, double-stacked magnet structure <br> 2.5"<br> dual layer high-temperature Kapton(R) voice coil <br> SPL: 89dB<br> Mounting depth: 7.64"<br><br>