Input Power:7.3/3.7/1.9W RMS Power/70VInput Power:15/7.5/3.8W RMS Power/100VImpedance:8/666/1.3K/2.6K ¦¸Ferquency Range:250Hz-8KHzSPL(@1W/m):102dBSize:165x220x240mmHousing Material:ABS