In audio, these are usually paired as left and right. This is when you would use a dual RCA to ¼” TRS adapter like the Hosa GPR-484. About The Hosa GPR-484 Dual RCA to 1/4 in TRS Adaptor. 1 x Hosa GPR-484.
Hosa GRF-398 Dual RCA to RCA Adaptor
Hosa GRM-193 Adaptor Dual RCA to 3.5 mm TRS
Hosa GRF-341 Adaptor 3.5 mm TRS to Dual RCA Coupler
J&D Dual 1/4 inch TS to Dual RCA Stereo Audio Interconnect Cable, RCA Male to 1
J&D Dual 1/4 inch TS to Dual RCA Cable, Heavy Male to RCA Male Adapter 0.9 Meter
