[2 pack] 3.5mm AUX Mini Jack Socket to 6.3mm Jack Plug Headphone Adapter GOLD

6.5mm male to 3.5mm female audio jack converter. 2Pcs 6.5mm Male to 3.5mm Female Audio Jack to Dual RCA Male Adapter. This 6.5mm to 3.5mm audio jack adapter is designed to provide clear and stable audio signal transmission for both stereo and mono sound systems.

eBay