Sound Storm Laboratories PB8 8” 400 W Powered Car 400 Watt Subwoofer & Amp

The break-in period is also effective in extending subwoofer life. Over-driving the woofer before it has been properly broken-in will usually result in premature failure and poor performance. The “break-in” process will ensure the subwoofer is able to perform as it has been designed to.

eBay