Klipsch SW-308 Black Reference II Powered Subwoofer for $499.95

Computer optimized surrounds for tighter bass Performance of SW-308 is on par with the XW-500d at HALF the size and $200 less 6dB more output over XW-300d (You would need TWO (2) XW-300d's to get the same output as ONE (1) SW-308) DSP Controlled Amp (Internal) Smooth Response below 30Hz Small Footprint Better Appearance Low Power Standby