dual composite 2-piece conerubatek foam surroundcast aluminum baskettork-tite terminal3" 4-layer aluminum voice coilfea optimized motor structuretriple stack magnetsprogressive spiderswrap around rubber gasketmotor width: 7. 3"12"imp: dual 4_mounting depth: 6. 9"mounting hole dia: 11. 2"overall dia: 12. 5"bolt hole circle: 11. 75"motor depth: 3. 44"basket depth: 3. 46"displacement: 0. 15 cu ftweight: 21. 5 lbsupc : 611892991071shipping dimensions : 10. 50in x 7. 50in x 7. 50inestimated shipping weight : 23. 0.