Polk Audio RTI A3 Cherry 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 incheschuffing inches or inchesport noise inches
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
Sensitivity (1 watt @ 1 meter) 89 dB