Being as how i am from the car audio world, i myself and dozens of other car audio enthusiests have overpowered equipment daily and out performs beyond manufacturer
Suggested power. Ask anyone who knows a thing or 2 about speaker box design. The box is everything. That and having quality equipment. And i encourage you guys who are interested in learning a thing or 2 about car audio to join and or read/ browse the forum i posted. Theres 2 ways a woofer fails. Mechanical and thermal failure. Thermal failure can come from overpowering and or dirty power which comes fromm a clipped signal.
You should never set your amp gain above 3/4. Upgrading electrical such as wire,and charging system will help your signal problems