Multifunction Line Control: Volume/Line in/ Line outOutput power: 18W*1+10W*2 Drive unit: 5"+(1.5"+1.5")*2(magnetically shielded) S/N Ratio: ≥70dBIC: TDA2030*3Importing Sensitity:Stereo input:460mV,AC-3input:150mVP.M.P.O.: 380W