What is the parent company of Polk Audio?
What are some of the audio products produced by Polk Audio?
What is Polk Audio?
Where are Polk Audio's headquarters located?
What was the first successful model released by Polk Audio?
Which brands are owned by Sound United, the parent company of Polk Audio?
Who founded Polk Audio?
What are the different types of speakers offered by Polk Audio?
When was Polk Audio founded?
What is the Stereo Dimensional Array (SDA) used for in Polk speakers?
Where were Polk's non-technical jobs moved to in 2015?