dc2r 0 Report post Posted May 13, 2007 his 30cm Subwoofer has a maximum power output of 800W. Its rated input power is 250W & it has a frequency response of 25-0.8Hz.The Polypropylene cone Woofer also has a Strontium Ferrite Magnet. Max. Power Output: 800W Rated Input Power: 250W Frequency Response: 25Hz-0.8kHz Sensitivity: 93dB/W/m Polypropylene Cone woofer Strontium Ferrite Magnet Creating about 9 times the magnetic flux that is approximately 10persent more powerful than a same-sized barium ferrite magnet, Sonys new strontium ferrite magnet delivers a superior performance. 30 cm wide Selling as surplus to needs $100 Quote Share this post Link to post Share on other sites