This 5" speaker packs 30 watts of power. It is a great replacement for Trace Elliot amps. Overall Diameter 5" Impedance 8 ohm Rated Power 30 watts Magnet Ceramic Overall Weight 2.15 lbs Response 100-12k Voice Coil Diameter 1" Magnet Weight 3.4 oz For more information about our Jensen® speakers, see our tech corner article on Jensen Speakers.