A versatile lineup for clear consistent sound 10 dual voice coil subwoofer for low impedance systems speaker type subwoofer frequency range 10d b 45hz 250hz components lf 10 dual voice coil power rating noise 100w 100w pgm 200w 200w nominal impedance 8 8 satellite impedance 8 load per satellite output recommended spl sensitivity 1w 1m on axis 96d b spl peak calculated 125d b spl io connectors input 1x euroblock 4pch1 ch2 satellite output 1x euroblock 4p