Lanzar s MAX-series speakers will push your audio to the MAX! This 15 small-enclosure sub with dual voice coils will add extra punch to your low-end and give you that huge sound you want. The sound is produced by two 2.5 four-layer high-temperature Kapton voice coils with two 70 oz. heavy double-stacked magnets pushing 1200 watts MAX power. It s all housed in a stamped steel basket for heavy-duty stability. And your booming sound is enhanced by the wide non-fatiguing rubber suspension specially designed rubber magnet boot and the bumped and vented motor construction. Dual 4 ohm impedance.