Summary: Amazon states a list price of $474.95 but this is wrong. The Polk Audio site states a list price of $799.90 per pair, which when divided by two is $399.95, exactly the price that Amazon is offering for one speaker.
Summary: I have the older RTI8s and I would have to say that the RTI8s are a much better speaker! The RTIA5 are very nice but when you compair the two side by side the 8s are ways more efficient! if you can still find the 8s get them! Also i had the RTI 10s and between the two i would take the RTI8s hands down!