On my 8454, its a rca jack. Same model year and one step above yours so it should also be the same. If you really wanna make sure just look //content.invisioncic.com/y282845/emoticons/tongue.gif.6130eb82179565f6db8d26d6001dcd24.gifis the auxillary on the cd5444 a rca jack or a 3.5mm jack.