... ,ROHS car amplifie *Four sound channel output car amplifiers*Outpower:RMS 35*4(4Ohm),80W*4 (4 Ohm Bridged)*S/N Ration:90dB ... control car amplifiers*Passed CE,FCC,ROHS certificates*Gurantee: Extra giving 1% of partsFeatures*Digital Pulse-width-modulated regulated ... mono operation*Stereo/mono setup simultaneously*4 way protection circuit-thermal,current.D.C.Mosfet,and overvoltage*Soft start delayed ...