WOOFER POLYPROP CONE 8OHM 8"; Transducer Function:Speaker; Power Rating RMS:70W; Impedance:8ohm; Sensitivity (dB):89dB; Resonant Frequency:39Hz; Frequency Response Min:28Hz; Frequency Response Max:3.5kHz; Product Range:-; SVHC:No SVHC (07-Jul-2017); External Depth:88mm; External Diameter:206mm; Loudspeaker Diameter:8"; Output Power:100W; Power Rating:70W; Sound Level SPL:87dB