... ,and digit tube play showing on subwoofers panel 2.1CH audio speaker system,black colorWith multi function play, can be very convenience ... where.Specification:1,output power:30W+10W*2(RMS)2,Speaker driver:woofer5.25inch,satellite3inch*23,Frequancy response:40HZ-20KHZ4,S ... /N:<70dB5,Dimension:Subwoofer330*170*250mmsatellite100*100*160mm6,Color box:205*330*440mm7,Carton:630*345*450/3sets8,Quantity:40 ...