Amazon.com: UpBright New 5FT AUX in Audio Line in Cable to 2RCA Cord for Logitech 880-000451 S-00144 980-000910 Bluetooth Audio Adapter WRLS SPKR Adapter BT (1/8" / 3.5mm Male to RCA Red/White
Logitech 980001203 Z333 Black Multimedia Speakers
Logitech Z533 2.1 Multimedia Speaker System with Subwoofer, Powerful Sound, Booming Bass, 3.5mm Audio and RCA Inputs, PC/PS/Xbox/TV/Smartphone/Tablet/ - Newegg.com
How to EASY Change RCA plug [Logitech speaker cable] - YouTube