Klipsch R-600F black floorstanding speaker, Black, 100 W/400 W, 8 Ohm woofer, 6.5 inches. Tractrix 90° x 90° speaker. An updated speaker design, featuring a larger external speaker size, adds more power and excitement to your music and movies. The exclusive 1-inch LTS tweeter with Kapton suspension is a hallmark of Klipsch speakers and minimizes distortion for a more detailed performance. Aluminum is an extremely lightweight and rigid material used in the tweeter assembly to ensure high efficiency. The 6.5-inch TCP woofers utilize the teardrop technology from Klipsch's acclaimed Reference Premiere speaker series and feature a steeper cone angle for a more uniform response, as well as greater precision and transparency. The rear Tractrix port is precisely shaped around the enclosure and woofers, ensuring ideal airflow with minimal distortion or turbulence, even at the lowest frequencies.