The T500 Tower is a five driver, four-way system that features a 10 inch powered subwoofer driven by a 300 watt Class D amplifier and a 12 inch passive radiator for incredible, room-shaking deep bass. The rest of the driver complement, a 6.5 inch composite midbass driver, a 4 inch composite midrange and 1inch liquid-cooled silk dome tweeter reproduce mid and high frequencies with the detail, clarity and natural tonal balance usually associated with speakers costing far more than the T500.