rca plug to 3.5mm mono jack FEV-B113By gerry / February 21, 2021 rca plug to 3.5mm mono jack FEV-B113A. rca plug to 3.5mm mono jack;B. rca plug to 3.5mm stereo jackA. rca plug to 3.5mm mono jack; B. rca plug to 3.5mm stereo jack