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Polk Audio PSW450 Powered SubWoofer |  
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| Product Info | 
Reviews | 
 
 Features:
 - 12 Direct Radiating Woofer
 - Overall bass frequency range -  25 Hz - 160Hz
 - Adjustable crossover control helps adjust for smooth operation with your other speakers - Range -  80Hz - 160Hz
 - Built-in amplifier delivers 150 watts Continuous Average Output into 4 ohm load over a bandwidth of 30 - 200 Hz with <1% THD
 - Dual flared ports for low distortion
 
  
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