WOOFER 18IN EMINENCE 18GS3200 ALUMINIO VC 5INFS= 36.98 HzQms=26.32Vas=140.6 litersCms=0.066mm/NMms=280.6 gRms=2.478 mohmsXmax=19 mmP-Dia=394.9 mmSd=1225 sq.cmP-Vd=1.225 litersQes=0.31Re=5.6 OhmsLe=1.33 mHZ=8 ohmsBL=34.31Pe=1600 watts