This is a replacement Woofer intended for Memphis loaded enclosures. This woofer does not have spring terminals or a rubber magnet boot like the retail versions of these woofers. Memphis Audio 15-PRX104 10" Power Reference Single 4-Ohm Subwoofer - 250 wRMSPower Reference Memphis Audio's best selling line of subwoofers is back and better than ever. The new black on black polypropylene dust cap steps up design element to a level never before in the line. Several performance enhancements including a high temperature TIL voice coil former, improved suspension and coil design and an upgraded reinforced spider shoulder elevate PR subwoofers to new heights.
eBay