SVS SB-5000 R Evolution 15" Powered Subwoofer With the emergence of new flagship SVS subwoofers, it was only a matter of time before the unprecedented technology made its way to newer models at prices within reach of more people. Now, the 5000 R Evolution Series brings a level of performance and a user experience that far exceeds anything in its class. Featuring a sealed cabinet design, SB-5000 R Evolution delivers pristine musical output with flawless tonal accuracy and unerring control to deli