Yamaha NS-SP7800PN 5.1-Channel Home Theater Speaker Package (Piano Black) (Discontinued by Manufacturer) 5.1-channel speaker package Front, rear, and surround speakers feature dual 2.25" cone woofers and .75" silk dome tweeters 6.5" 130-Watt powered slim-line subwoofer with Advanced YST II and FD-Base technology Magnetic shielding on all speakers Elegant black finish matches well with gloss finish flat panel TVs