These Goldwood Sound 8 ohm 10 inch drivers have a max wattage of 280 watts each and are designed and engineered right here in the USA. Each subwoofer features a 50oz magnet with bumper plate, vented pole piece, accordion edge surround and polymer laminated cone. These subwoofers are high end, pro audio transducers optimized for all musical instrument, DJ, car audio and professional applications.