5.1 Ch Multimedia Speaker 1,RMS: 40W+15W*5 2,Driver unit: 5.25"+3"*5 3,USB/SD,FM,Remote Function 4,IC ... :7*2030(Imported) 5.1 New arrival multimedia speaker system Features:1,Support USB,SD,FM functon ... , 2,Remote control 3,digital tube play screen 4, wooden ...