The PS10 subwoofer is a front-firing, free-standing and fully powered 10-inch subwoofer. This is an ideal subwoofer for a home theater or a small to medium size room where you wish to have full, powerful sound. If you're looking to replace your home theatre subwoofer (not working?), the PS10 is one you should seriously consider as a replacement. The OSD Audio PS10 high performance home theater subwoofer has speaker level inputs and delivers 125 watts of power.