Polk Audio RTI A3 Black Bookshelf Speaker – The new RTI A series feature several upgrades. From the incorporation of our latest Dynamic Balance Cone drivers and 1 inch tweeters to an elegant restyling of the cabinets in keeping with the latest styles. The floor-standing models feature “Power Port Plus” an enhancement of Polk’s patented Power Port technology. As you would expect from this highly popular line, the performance is classic Polk.
- Pair of real wood bookshelf speakers with all MDF construction and resonance-free enclosures
- Equipped with one 6.5-inch dynamic balance mineral/polymer composite cone driver
- Features Power Port technology to reduce “chuffing” or “port noise”
- Equipped with one 1-inch silk/polymer composite dome tweeter
- Features a neodynium magnet, low viscosity ferro-fluid cooling, and a heat sink on the back of the magnet