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Polk Audio DSW PRO 550 - 10" High Performance Subwoofer Enjoy deep, distortion-free bass with the Polk Audio DSW PRO 550, a 10-inch high-performance subwoofer designed to enhance your home theatre or audio system with rich, musical low frequencies and efficient power use. Key Features 10-inch Dynamic Balance polymer composite cone driver for clear, powerful bass Internally braced and damped enclosure eliminates standing waves and resonances Polk intelligent amplifier delivers 400 Watts continuous power efficiently with minimal heat Feed-forward distortion suppression technology enables higher performance limits without distortion or damage Exclusive PRO™ technology with four preset Room Optimizers for optimal bass and seamless blending Slot-loaded port design provides deeper, smoother bass with reduced air turbulence and chuffing Flexible placement options with downward-firing or front-firing orientation, including inside audio furniture Remote control with power, mute, volume, phase selection (0°, 90°, 180°, 270°), Night Mode, LED status, and reset functions Adjustable rubber feet and carpet spikes for versatile floor placement Compatible with LFE, line-level inputs/outputs, and 5-way binding posts for speaker-level inputs Specifications Driver: (1) 10" (25.4 cm) Dynamic Balance polymer composite cone Amplifier Power: 200 Watts Frequency Response (-3dB): 30 Hz – 125 Hz Enclosure Type: Downward-firing slot port Dimensions (H x W x D): 40.96 cm x 38.1 cm x 39.37 cm Weight: 18.6 kg Shipping Carton: 52.71 cm x 50.8 cm x 50.8 cm, 22.68 kg Warranty: Electronics – 3 years, Drivers – 5 years (original purchaser only) What's in the Box Polk Audio DSW PRO 550 Subwoofer Infrared Remote Control with power, mute, volume, phase, Night Mode, LED, and reset functions Optional Accessories: DSW Pro 500 Grille for front-firing orientation (sold separately)