It doesn't matter how old or new your amplifier is, you can always connect our phone, tablet, pc or laptop on it and play your music. It is very cheap and you only need a: ( jack - tulp cable ) or ( 3.5 jack to 2 RCA jacks ) or ( 3.5mm To RCA Male Y Cable ) or ( Rca 2 Audio 3.5mm ) or ( 3.5mm Male Plug to Dual 2 RCA Jack Cable )...The shops who sell these cables use different names for it but they are all the same.
You can plug the RCA plugs in aux, tape in, cd and many more.

With this cable you can:
Connect your phone to a amplifier
Connect your phone to a receiver
Connect your phone to a stereo ore 7.1 receiver
Connect your tablet to a amplifier
Connect your tablet to a receiver
Connet your laptop to a amplifier
Connect your laptop to a receiver
Connect your computer to a receiver
Connect your computer to a amplifier