2.0 speaker, multimedia speaker, stage speaker, double 10inch active stage speaker with USB/SD/MMC card and Remote control, for karaoke, ktv, stage, also for home use...Output Power: 90W+90WFrequency Response:30Hz-18KHzS/N Ratio: ≥65dBSeparation: ≥55dBSpeaker Unit: 10"×4+3"×4 With remote control function and..