Polk Audio DSW PRO 440 WI 8″ Subwoofer
- Dynamic Balance Patented Polk Audio technology and construction techniques produce powerful, deep bass performance, especially when you need it most.
- Klippel Distortion Analyzer State-of-the-art optimizations to the motor structure, voice coil alignment and suspension ensure the best, most efficient performance at all volumes.
- Exclusive PRO Technology Polk Room Optimizer (PRO) features four-way phase selection, four presets and an easy-to-read, blue status LED so you can adjust your subwoofer for optimal performance without leaving your seat.
- Maximum Efficiency Proprietary intelligent amplifiers generate minimal heat and need less power to sound great, even at extreme listening levels.
- Night Mode Lower the subwoofer’s intensity quickly and easily right from the remote control.
180-watt RMS Class D amplifier
8″ down-firing woofer (feet can be repositioned for front-firing operation)
bass-reflex (ported) enclosure
Feed Forward technology maximizes output and improves dynamic performance
Polk Room Optimizer delivers punchy bass no matter where you place the sub in your room
Night mode dynamic range compression
frequency response: 30-125 Hz (-3dB)
continuously variable 60-160 Hz crossover
4-position phase switch (0, 90, 180, and 270 degrees)
speaker-level and line-level inputs and outputs
unfiltered LFE (low frequency effects) input
Energy STAR® certified
13-3/4″W x 14-3/4″H x 16-1/4″D
Weight 13 Kgs
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