Connect IEMs to JDS Labs Atom AMP+

Hi guys,

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I currently use my HD650s with the aforementioned jds labs atom amp+ with the 1/4" jack that's on the front. Now I also have a few budget IEMs I like to use when I don't want to wear the headphones, since I have to use headset for work for 8 hours. Now here's a stupid question, how would I go about connecting IEMs with 3.5mm jack to this amp? If I connect them straight to my PC or monitor I get lots of noise and the wire is not long enough that way either.