Goldwood Sound GW-12PC-8 Heavy Duty 8ohm 12" Woofer 450 Watts Replacement Speaker 1 Goldwood Sound GW-12PC-8 heavy duty 12" subwoofer, 225 watts RMS and 450 watts Max, 20 - 3500Hz frequency response, 93dB SPL, 8ohm 2" 4-layer aluminum voice coil, 50oz magnet with bumper plate and vented pole piece, poly-mica cone with rubber surround Die cast aluminum frame, overall size is 12.25", fits enclosure hole size of 11.125", mounting depth is 5.375", 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-12PC-8 pro audio woofer