Goldwood GW-1248 Rubber Surround 12" Woofer 290 Watt 8ohm Replacement Subwoofer Speaker 1 Goldwood Sound GW-1248 butyl rubber surround 12" woofer, 150 watts RMS and 290 watts Max, 18 - 4500Hz frequency response, 91dB SPL, 8ohm 2" aluminum voice coil, 40oz magnet with bumper plate and vented pole piece, poly mica cone with butyl rubber surround Steel stamped frame, overall size is 12", fits enclosure hole size of 11.25", mounting depth is 4.825", designed and engineered in the USA Use for pro DJ speakers, pro PA speakers, pro karaoke speakers, live sound speakers, fixed installation speakers, studio monitors and home audio speakers This listing and price is for 1 Goldwood GW-1248 pro audio woofer