Pioneer TS-WX400DA 250 Watts Active Underseat Car Subwoofer with Bass ControlPioneer TS WX400DA 250 Watts Active Underseat Car Subwoofer with Bass Control Pioneer launches another product in its generation of Class D amplified subwoofers integrating DIGITAL BASS CONTROL. This unique feature generates two selectable Bass Modes: DEEP and DYNAMIC, producing 250 Watts of strong, rich, deep bass that you can feel, without giving up space. Users can easily control and customise the two bass modes directly from the supplied wired