Logitech Z-5300e THX®-certified 5.1 powered speaker system at Crutchfield
Logitech USB-C to A Adaptor - 1 Pack - 1 x Type C Male USB - 1 x Type A Female USB - Black 956-000028 097855168658
Simyoung HDMI to 3 RCA Video Audio Adapter Component Converter HD For HDTV DVD Projector PC - Walmart.com
Amazon.com: 5.1 Audio Console Adapter Convert Stereo RCA to 3 x 3.5mm (1/8") Jack Bidirectional Conversion for 5.1 Multimedia Speaker : Everything Else
Bi-directional Audio Console Switch Converter Rca Stereo To 3 X 1/8 (3.5mm) Jack Adapter 3.5mm To L/r For 5.1 Multimedia Speaker - Audio & Video Cables - AliExpress
A Quick look at the Logitec 5.1 Game Console Adapter - YouTube