I got a NEC A110E Amplifier and speakers from my relatives. No idea how to connect it to PC or Phone. I have a 2x RCA - 3.5mm jack.
pics : https://c.allegroimg.com/s1024/0c0919/31a97815491184f5e011498d84cc and https://5.allegroimg.com/s1024/0cd43c/9f688e7749b98e2a2ce338cb79e5
pics : https://c.allegroimg.com/s1024/0c0919/31a97815491184f5e011498d84cc and https://5.allegroimg.com/s1024/0cd43c/9f688e7749b98e2a2ce338cb79e5