24 Enc Using an external subwooferThe unit has dual built-in subwoofers; however you can connect anexternal subwoofer when you want to enhance low frequency sound.Connect a subwoofer quipped with built-in amplifier to theSUBWOOFER OUT jack of the unit.Sound is output from both the built-in subwoofers and externalsubwoofer.d Connecting the power cableAfter all connections are complete, connect the supplied power cableto the AC IN jack on the unit and plug the power cable into an AC walloutlet.ANALOG TVAC IN OUT(ARC)INSUBWOOFEROUTUPDATEONLYSUBWOOFEROUTRCA mono cable(optional)Mono inputSubwoofer quippedwith built-in amplifierANALOG TVAC IN OUT(ARC)INSUBWOOFEROUTUPDATEONLYAC INTo an AC wall outlet