QIANRENON RCA to 3.5 mm Stereo Threaded Fixed Waterproof Adapter Cable
Mount Design: Threaded housing for panel mounting (φ18.5 mm hole). Threaded mount and nut secure tight installation in compatible surface panels. Adapter Type: 2 × RCA female to 3.5 mm TRS female. Connection Dual RCA (L/R) to 3.5 mm TRS.