Pioneer S-HF11C 2-Way Center Channel Speaker System (Discontinued by Manufacturer) Maximum Input Power - 100 Watts / Sensitivity - 85dB (the sound pressure level produced by the speaker) / Impedance - 8 Ohms Two 5-1/8 inch (13cm) Cone Woofers for Dynamic Sound Reproduction Magnetically shielded so the magnets will not damage your TV when positioned next to it Dimensions (WxHxD) - 15-3/4 x 5-7/8 x 6-1/4 inches (400 x 150 x 158mm) / Weight - 7 lbs 11 oz / 3.5 kg