These subwoofers have been designed with a ?reat Bang for The Buck??approach. Giving high performance, rigid construction and peace of mind that it will last. We have options to meet 450 ??1000 watts of Max Power handling and sizes in 8?? 10??and 12?? They feature a robust suspension with Santoprene Rubber roll surround and long-lasting CONEX spider. Let? not forget the motor structure with its integrated heatsink to help dissipate heat from the magnet. All of these to lower distortion and keep everything moving in a linear motion all while keeping your vibe alive.