Reply to splitter cable

right am now using serato and i want to record am using the phone 1/4 output which runs into my monitors which are rca.. (monitors dont have xlr) been looking every where and cant find nothing

http://www.maplin.co.uk/twin-phono-coupler-35932

i would imagine i would need something like this but with a mini jack coming off of it so it can go into my mic of my laptop