Sony 100 Watt Active Subwoofer, SA-WM250

«  ↑  » Sony 100 Watt Active Subwoofer, SA-WM250 Add some punch to your home entertainment system with Sony's SA-WM250 subwoofer. It features a built-in 100-watt amplifier and an 8" long-throw driver. The bass-reflex design provides really low bass, and the phase switch helps you get the subwoofer in the same phase as the rest of your speakers. The SA-WM250 is an inexpensive way to bulk up your system. TV & Home Entertainment Home Audio Components SA-WM250