I have several Subwoofer's available, please check out my other listings.

Yamaha's Advanced YST II, Linear Port and front-firing design give this subwoofer an outstanding combination of power, depth and clarity.

Yamaha YST-SW012 8-Inch Front-Firing Active Subwoofer

8-inch multi-range driver with magnetic shielding
High 45 W dynamic power
Low (28-200Hz) frequency response
Linear Port for minimizing extraneous noise
Front-firing active subwoofer