< p> The Pioneer Reference Series for Open Show series of speakers is designed specifically for those looking to produce some serious sound pressure levels. Inspired by Pioneer’s history of record-breaking SPL competition, the new PRO series line of speakers is designed for loud sound pressure levels for open shows. PRO Samurai series TS-W3010PRO subwoofer has a nominal power 1500 W and double voice coil. The wide stitched-reinforced urethane surround provides long cone stroke and a secure fit at high volumes. The 4-layer copper-clad aluminum voice coil allows to achieve weight reduction and high sensitivity. The high quality steel basket construction dissipates heat away from the voice coil. Big double magnet provides high power.< /p>