Goldwood Sound, Inc. Stage Subwoofer, OEM 15" Woofers 250 Watts Each 4ohm Replacement 2 Speaker Set (GW-215/4-2) 2 Goldwood Sound GW-215/4 OEM 15" woofers, 135 watts RMS and 250 watts Max each, 22 - 3000Hz frequency response, 88dB SPL, 4ohm 1.5" aluminum voice coils, 20oz magnets with bumper plates and vented pole pieces, poly laminated cones with rolled foam surrounds Stamped steel frames, overall size is 15", fits enclosure hole size of 14", mounting depth is 5.125", 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 2 Goldwood GW-215/4 pro audio woofers