Logitech X-530 5.1 powered speaker system at Crutchfield
Amazon.com: Logitech X-530 5.1 Speaker System : Electronics
Bi-directional Audio Converter Game Console Adapter Converter Stereo Rca To 3 X 1/8 (3.5mm) Jack For 5.1 Multimedia Speaker - Audio & Video Cables - AliExpress