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All RTi models feature the latest generation Dynamic Balance drivers and tweeters. The bass/midrange drivers used throughout the RTi range use polymer/mineral composite cones. The 1-inch tweeter is a silk/polymer composite dome for smoother response and better detail than the tweeter used in the previous RTi Series. It features a neodymium magnet, low-viscosity ferro-fluid cooling and a heat sink on the back of the magnet for better power handling and reliability.
All models feature Polk's patented Power Port technology that reduces turbulence at the mouth of the port. Power Port vastly reduces "chuffing" or "port noise" and provides deeper, more powerful, lower distortion bass than could be achieved with conventional ported or sealed designs of comparable size.
The RTi models are magnetically shielded to allow safe placement next to televisions or video monitors. All models feature gold plated 5-way binding posts with dual inputs for bi-amplification or bi wiring.
RTi A5 is a floor-standing model and features "Power Port Plus", an enhancement in Power Port technology. Power Port Plus uses two ports (one front, one rear) and internal "plates" to further reduce air turbulence and increase bass efficiency.
Any described warranty is supplied by the manufacturer of this article and is provided at least in germany. The full warranty information, including the coverage and requirements to claim the warranty is detailed on the manufacturers website. You can find a link to this site on our brand overview
. You can find more information about warranties in our FAQ