Yamaha YST-FSW100 Details   Total power: 130 Watts / Magnetic Shielding Prevents Unwanted Interference / Stylish Design Matches Plasma and LCD TVs Yamahas high-performance YST-FSW100 Advanced YSTII Subwoofer gives your Bassthe extra thump it needs when youre enjoying your favorite songs or movies. How does it deliver that? For starters, the new "Half Pipe" port design smoothes out the bass and minimizes unwanted noise. The advanced YST II technology drives the speaker cone with tighter control than before, giving you a more stable and accurate low-range response and more natural, energetic bass reproduction. The attractive, stylish design matches perfectly with the newest Flat-screen monitors and Plasma TVs. Dynamic Power: 130 Watts Output Power(5 ohms, 100Hz, 10% THD): 75 watts Frequency Response: 30-200 Hz Magnetic shielding around Drivers Block interference that causes Distortion Color: Black Dimensions(WxHxD): 15 3/4" x 14 3/4" x 6 3/16" (400 x 375 x 157 mm) Weight: 19.8 lbs. (9 kg)