Sony Three Piece Speaker Package,120 Watt Center, 110 Watt Surround, BRAVIA Matching Design, Center Includes Dual 4 3/4" Driver With 1" Tweeter, Rear Speaker Includes 4 3/4" Full-Range Driver, 8 Ohm Speaker Impedance, Black Finish Complete your sound system with high-fidelity sound from every angle Center includes dual 4.75" driver with 1" tweeter Rear speakers include 4.75" full-range driver Nano Fine tweeter rated to 50kHz for hi-def audio 120-Watt maximum input power