Polk Audio LSiM 702 F/X Surround Speakers, Black Gloss,Pair

Advanced driver material for more realistic sound
Advanced driver material
PowerPort technology for smooth, deep bass
Specially designed cone at mouth of bass port
6-1/2 woofer in each of the 702 f/x speakers has its own PowerPort
PowerPort technology for smooth deep bass
Designed exclusively by Polk
Solid cabinet design for versatile placement