This product is a vintage Polk model and is not available for sale, but it may still be available in some stores as a closeout or used product. The following text is taken from the original sales brochure for this product and does not reflect current availability. If you happen to have any question or concerns about this product, or any other Polk Audio product, feel free to contact our Customer Service Department at 1-800-377-7655 Monday - Friday, 9am - 5:30pm EST


Powered Subwoofer

Available Finishes:

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The PSW120 features:

  • Downward firing Dynamic Balance® subwoofer driver for deep, low distortion bass
  • Twin, rear firing bass ports for high output performance
  • High and low level inputs allows easy connection to any system
  • Volume level, crossover and phase controls allow you to optimize performance with any main speaker and room acoustics
  • High current amplifier with auto on/off circuit
  • Overload protection circuitry for safe, high volume performance

Driver Complement
8"(20cm) woofer
Cabinet Dimensions
13 3/8"H x 9 1/2"W x 18"D
34cm H x 24.1cm W x 45.7cm D
Overall Frequency Response
35Hz - 160Hz
-3db Frequency Response Limits
40Hz - 150Hz
Subwoofer Amplifier Power
90 watts
speaker and line level
speaker level
Crossover Frequency
adjustable 80Hz - 160Hz
Enclosure Type
direct radiating, vented

Driver Complement

Diameter8" (20.32cm) 


Total Frequency Response35Hz - 160Hz 
Upper -3dB Limit150Hz kHz
Lower -3dB Limit40 Hz
Subwoofer Crossoveradjustable 80Hz - 160Hz 
Inputsspeaker and line level 
Outputsspeaker level 

Amplifier Specs

Amplifier Type


Cabinet Dimensions
Height13 3/8" (33.97cm) 
Width9 1/2" (24.13cm) 
Depth18" (45.72cm) 

Specifications, dimensions and features subject to change without notice. For more information call us at 1-800-377-7655 (USA and Canada). Outside of North America call +1 (410) 358-3600.

PSW120 Media

PSW120 Literature

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PSW120 Accessories