Polk Audio RTi A9 Main / Stereo Speaker

Enjoy brilliant sound with this 500W speaker that features a 1' silk dome tweeter and three 7' polymer composite cone woofers. The bass reflex design with PowerPort Plus technology delivers deep thunderous bass for intense listening. Plus magnetic shielding bass venting and anti-diffraction grilles ensure a fantastic audio experience — all wrapped up in beautiful wood-finished cabinets.Type: Floorstanding SpeakersDriver Units: Woofer: 3 - 7' Diameter Polymer Composite with Rubber Surround Midrange: 2 - 5.25' Diameter Polymer Composite Dynamic Balance with rubber surround Tweeter: 1 - 1' Diameter Silk Polymer Composite DomePower Rating: 50-500 w/channelFrequenc y Response: 18Hz- 27kHzNominal Impedance: 8 ohmsSensitivity: 90 dBConnectors: Inputs: Dual (bi-amp)5-way binding postsDimensions & Weight: 48.63' x 8.88' x 21.38' / 75.00 lbs.

Innovative Design The RTi A9 features the latest generation of Dynamic Balance(R) polymer composite drivers for smooth wide-range response with low distortion. The RTi A9 uses multiple long-throw 7-inch woofers to combine the wide dynamic range benefits of a single larger woofer with the tight, punchy, accurate bass response of small woofers. Combined with PowerPort Plus, these multiple woofers deliver deep, high-impact bass with speed and accuracy. 1-inch Silk/Polymer Dome Tweeter delivers smooth response and better detail. PowerPort(R) bass venting for superior clean, low distortion bass that you can really feel.PowerPort vastly reduces chuffing or port noise and provides deeper, more powerful, lower distortion bass than could be realized with conventional ported or sealed designs of comparable size. Magnetic shielding for safe placement near video sources. Mylar bypass capacitors in the crossovers extend high frequency response and improve detail and transparency. Neodymium magnet, low-viscosity ferro-