POWERBASS STA-10POWERBASS STA 10 10" Amplified Bass Enclosure Clandestine bass Smaller subwoofer enclosures bring deep bass into confined spaces, bringing low frequency vibrations closer to your body so you can feel the bass at lower sound levels. The PowerBass STA 10 powered sub fits under or behind the seat in many vehicles, giving you the bass power of a 10" woofer. Dial in your sub settings The STA 10's Class D amplifier drives the sub with up to 200 watts of RMS