I like to build my own cables, here is how I do it video.
Here is where I got my parts from.
eBay, Belden 8402 Cable
Amazon, Switchcraft 3502A RCA
If you don't feel like DIY, here is good quality cables at reasonable prices.
If you use these links above to purchase any items from Amazon or eBay(No Extra Cost To You), I get a small percentage which help support my work and helps me keep going.