... .OEM 3.stereo and powerful ,bass ,subwoofer 5.1 home system soundbar specification:1.including main sound box,subwoofer,docking,remote,it is ... (RCA) radio in: yes(*2), digital(optical)audio in:yes(*1), digital(coaxial)audio in:yes(*1), docking:USB DISK,SD/MMC,IPOD/Iphone ... ) ,subwoofer:100w*1ch,3ohms,at100hz(subwoofer) 7.Speaker unit:2 inch full range speaker *6,1 inch silk tweeter speaker *2(front ...