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Message: <blockquote data-quote="squeak9798" data-source="post: 964166" data-attributes="member: 555320">Their efficiency is so high there's no need for it.  When you have a driver that has a sensitivity of 98db, you don't need thousands of watts.  Plus they can use bass horns/large ported enclosures (because of less space limitations) to further reduce the need for big watts.  But there are pro sound drivers with power handling close to 1000w RMS.But your comment was "40w on 120V"...I was pointing out that the driver would behave the same with 40w from a 12V DC amp since the input voltage to the amplifier doesn't change anything if the output wattage is the same.  40w is 40w regardless of the source; which is not what your original comment sounded like.</blockquote>

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