Floorstanding speaker with 18Hz to 27kHz frequency response features dynamic balance transducers three 7-inch bass drivers, two 5 1/4-inch midrange drivers and a 1-inch high frequency dome tweeter. This is a high performance powerhouse and the ultimate manifestation of our RTiA Series. With a mind blowing 500 Watt power capacity, these speakers can take everything you can give them and more. Watch high octane action movies in their full grandeur, or delight in an intimate jazz performance.