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


Two-way bookshelf loudspeaker

Available Finishes:

If you always thought bookshelf speakers were too lightweight and boxy sounding, one listen to the RT55 will change your mind. It features:

  • Smooth response, incredible detail and three-dimensional imaging add up to true high-end performance.
  • Designed for superior home theater and music performance
  • Exceptional deep bass response provided by patented Power Portª venting technology (Power Port mounted on the back of the enclosure).
  • Polk's exclusive Dynamic Balance¨ technology for wide response and low distortion
  • Smooth, natural mid-range reproduction thanks to patented Acoustic Resonance Control technology
  • Anti-diffraction bezel and grille system minimizes grille-edge reflections (diffraction) for more open, spacious and life-like imaging
  • Clear, detailed highs from Polk's Tri-laminate dome tweeter made of polymer with vapor deposited micro-layers of stainless steel and aluminum
  • Magnetically shielded for safe placement next to TVs without picture interference
  • 5-way binding post inputs for the most secure wire connections
  RT15 RT25 RT35 RT55
Frequency Response, -3db 63Hz - 20kHz 60Hz - 23kHz 50Hz - 23kHz 47Hz - 25kHz
System Impedance compatible with 8 ohm outputs compatible with 8 ohm outputs compatible with 8 ohm outputs compatible with 8 ohm outputs
Recommended Amplification 20 -100 watts 20 -100 watts 20 -125 watts 20 -200 watts
Efficiency (1M, 1Watt) 88dB 89dB 90dB 91dB
Woofer 1 - 5 1/4" (133mm) 1 - 5 1/4" (133mm), shielded 1 - 6 1/2" (165mm), shielded 2 - 6 1/2" (165mm), shielded
Tweeter 1 - 3/4" (19mm) soft dome 1 - 1" (25mm) soft dome, shielded 1 - 1" (25mm) soft dome, shielded 1 - 1" (25mm) Tri-Laminate dome, shielded
Enclosure Height 11.1" (28cm) 11.1" (28cm) 15" (38cm) 21.1" (53.6cm)
Enclosure Width 6.6" (16.7cm) 6.6" (16.7cm) 8.1" (21cm) 9.5" (24.1cm)
Enclosure Depth 7.9" (20cm) 10.2" (25.9cm) 11.9" (30cm) 14.3" (36.3cm)
Shipping Weight 24 lbs. / pair 28 lbs. / pair 40 lbs. / pair 70 lbs. / pair


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.

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