I mapped a few TRRS cables to the RCA connectors using a Multimeter to test continuity. Hoping this will help people find/use cables for CRT or other composite connections. : r/raspberry_pi
RCA connector - Wikipedia
RCA Y Cable VCELINK
3.5mm Stereo Plug to 2 RCA Cable
2m 3.5mm Jack to Composite (RCA) Cable, 2-3.5TRA-3RCA-2
Flexible 1/4" TRS Stereo Male to 2-RCA Left/Right Male Red Audio Cable – St. John's Institute (Hua Ming)
VGA, RCA Left/Right Audio Single Gang Wall Plate Kit - Stainless Steel
50cm Twin RED WHITE 2 RCA PHONO Audio LEFT RIGHT Cable Male to Male Lead 0.5M | eBay