The M20Features:
  Superior home theater and music performance.
  Slim tower design conserves floor space, occupies less than one square foot.
  Polk Audio’s exclusive Dynamic Balance drivers and tweeters for wide response and low distortion.
  Wide dispersion drivers and tweeters project sound over a wide area so every listener in a room hears open, "box-less," three-dimensional sound.
  Front-firing bass port for high efficiency and powerful bass response.
  Carpet spikes ensure mechanical stability on carpeted floors for precise bass response and superior imaging.
  High efficiency design allows them to be driven by unpretentious amplifiers and receivers, revealing that classic Polk sound...open, spacious and clear.
  Magnetically shielded for safe placement near TVs and computer monitors.
  5-way binding posts provide a wide array of secure wire-hook up options.
With a minimum of fuss and expense, the M20 speakers ably reproduce accurate sound with impressive volume, in attractive, solidly built cabinets finished in basic black.

Driver Complement
Mid/Woofer	1 - 6-1/2" Diameter (16.51cm) Dynamic Balance Polymer composite cone, shielded
Tweeter	1 - 3/4" Diameter (1.91cm) Dynamic Balance silk/polymer composite dome, shielded
Electrical
Overall Frequency Response	45Hz - 24kHz
Lower -3dB Limit	55Hz
Upper -3dB Limit	20kHz
Nominal Impedance	8 ohms
Recommended Amplifier Power	20 - 150 w/channel
Efficiency	89 dB
Inputs	5-way binding posts
Dimensions
Cabinet Size	33-3/4" H x 7-3/4" W x 9" D (85.72cm H x 19.68cm W x 22.86cm D)
Enclosure Type	Vented
Shipping/Other
Shipping unit:	each