Polk Audio Monitor-65T Three-Way Floorstanding Speaker (Black, Single) The Monitor 65T is a great compromise between size and performance with a high efficiency enclosure design, the 65T reveals the classic Polk sound Dynamic Balance dome tweeter with powerful neodymium magnet structure delivers clear and detailed high frequency response for realistic reproduction of vocals and instruments Dual 5 1/4-inch composite Dynamic Balance drivers are lightweight and stiff with good damping for high efficiency, excellent bass and midrange clarity with lower distortion