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The Polk DSW PRO 400 uses an 8-inch woofer and powerful 180-watt amplifier to produce deep, authoritative bass. This advanced subwoofer features Polk's exclusive Feed Forward(TM) technology, which reduces audible distortion without limiting volume. You get quick, precise response throughout the sub's entire frequency range, even at ground-shaking volume levels. The Polk DSW PRO 400 also includes the Polk Room Optimizer(TM), an ingenious feature that lets you specify the location of your sub with one of four options â?? corner, mid-wall, in-cabinet, or mid-room. The Optimizer then automatically equalizes the sub's response to ensure smooth, clean bass from that position. You can easily access this function, as well as the volume control and phase switch, with the included remote. Removable feet let you position the PRO 400 for either front-firing or down-firing operation, whichever you prefer. The all-new DSW PRO Series represents more than a significant step forward in subwoofer performance. Rather, with the incorporation of two proprietary Polk Audio technologies that offer clearly discernable benefits, you might want to think of the new DSW PRO Series as representing a new subwoofer performance standard. Loud & Low Specs(CEA2010): Low 114 db / Ultra 91 db
Product Features - A single 8-inch powered subwoofer unit
- Equipped with Polk Room Optimizer (PRO) and Feed Forward distortion suppression technology
- Power amplifier: 180 watts continuous, 360 watts dynamic
- Frequency response: 25Hz - 160Hz
- Downward radiating slot port to lessen turbulence, noise and distortion
Technical Details - Subwoofer: 8-inch diameter with downward firing slot port
- Frequency response: 25Hz-160Hz
- Inputs: LFE, Line In, Speaker Level In
- Outputs: Line Out, Speaker Level Out
- Power output: 180 watts continuous average
- Dynamic power output: 360 watts
- Power requirements: 120 or 220 V Capable
- Cabinet size: 14.63 H x 13.75 W x 13.75 D inches
- Speaker warranty: 5 years parts and labor (original purchaser)
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