Sound Bars

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


5-channel 50 inch component SurroundBar

4 1/2" H x 51" W x 5 1/10" D
11.43cm H x 129.54cm W x 12.95cm D

Available Finishes:
Additional Images

Surround Sound From A Single Speaker

Polk Audio’s Patented SDA® Surround Technology, Applied To Both Front And Rear Channels For A More Enveloping Sound, delivers a vivid sound field from a single, 51" cabinet; No rear speakers are required. Dual Front Ports for superior clean, low distortion bass.

Simplified Color-Coded Hookup with all 5 channels going directly from your home theater receiver to the SurroundBar50.

15' 10-Conductor Cable is color-coded and clearly marked for easy hookup.No more tangled wires to string around a room.

Easy To Install on a wall thanks to a simple wall-mount bracket.

Dual Cradle Mounts give you more on-shelf positioning options, including in front of today’s flat-panel TVs.

Wall Bracket (included)

(9) 3 1/2" Dynamic Balance® Drivers and 3 3/4" Dynamic Balance Dome Tweeters deliver clear, natural mid-range, high frequencies and lifelike imaging.

Aluminum Extruded Enclosure eliminates cabinet resonance.

Anti-Diffraction Grille and bezel helps create open, spacious imaging.

Magnetically Shielded, of course, with neodymium motor structures for safe placement on or near TVs.

Driver Complement

Diameter3/4" (1.91cm) 
TypeSilk dome tweeters 
Mid / Woofer
Diameter3 1/2" (8.89cm) 
TypeDynamic Balance composite cone drivers, shielded 


Total Frequency Response60Hz - 23kHz 
Upper -3dB Limit20 kHz
Lower -3dB Limit80 Hz
Nominal Impedance8 ohms
Efficiency90 dB
Recommended Amplifier Power20-150 watts per channel

Amplifier Specs

220V AvailabilityNo 


Cabinet Dimensions
Height4 1/2" (11.43cm) 
Width51" (129.54cm) 
Depth5 1/10" (12.95cm) 
Mounting OptionsCradles, high and low, and wall mount bracket 
Product Weight (each)15.00 pounds


Unit of Measureeach 
Total Shipping Weight21.0 pounds


Speaker Warranty5 years parts and labor (original purchaser) 

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.

SurroundBar50 Media

SurroundBar50 Literature

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SurroundBar50 Accessories