Polk Audio DSW PRO 400

The Polk Audio DSW PRO 400 is an 8" subwoofer with a downward radiating slot port for decreased noise and distortion.  The subwoofer features a Class D amplifier which includes controls for customizing the bass output and handles up to 180 watts of power.

  It also features both Polk's Room Optimizer technology for customized equalization based on the environment and Feet Forward distortion suppression technology for reduced distortion.  The DSW PRO 400 is designed with a solid MDF enclosure and rubber feet and includes line and speaker level inputs making it compatible with most systems.  The subwoofer comes with a fully-featured remote control and has a 5 year warranty.