Polk Surround Bar 50 Preview 
Home Theater Loudspeakers Speaker Systems
Written by Dick Ward   
Thursday, 08 October 2009

The Polk SurroundBar50 is the largest of the sound bars in Polk Audio’s SurroundBar series.  The 51” long shell holds a total of nine 3.5” drivers with composite cones and a trio of ¾” silk tweeters. The SurroundBar50 takes advantage of Polk’s Front and Rear Stereo Dimensional Array (SDA) Surround Sound technology.  Using SDA, Polk Audio’s surround sound bar line is able to create the illusion of sound coming from all angles, enabling a virtual surround sound experience.  

Front SDA Stage Array uses a pair of drivers, in addition to the standard left and right sound channels, to expand the sound stage.  Rear SDA projects sound around the listener, and completes the 360 degree wrap around.

While other sound bars do promise a similar experience, they tend to use the reflective surfaces of a room to bounce sound to the listener.  Polk states that their SDA technology instead steers the sound around the listener, regardless of placement and room acoustics.

The SurroundBar50 has a recommended amplification of 150 watts per channel and a nominal impedance of 8 Ohms.  The frequency response of the sound bar is 80Hz to 23 KHz, with a usable low frequency response of 60Hz.  While bass through the dual front ports is an improvement over built in TV speakers, Polk does recommend the addition of a subwoofer to complete the "aural experience".

Though the SurroundBar50 takes cues from Polk’s other SurroundBar models, it stands alone as the biggest of the bunch.  Featuring a pair of drivers over the standard SurroundBar, as well as capability for higher wattage, it may be surprising to note that the SurroundBar50 also has the base model beat in weight.  Only 21lbs, the SurroundBar50 comes in a full five pounds lighter than the much smaller SurroundBar.

Polk Audio’s SurroundBar50 is available in both Black and Titanium at a recommended price of $999.95.

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Manufacturer Polk Audio

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