QVS 3.5mm Female to 1/4 Male Audio Stereo Adaptor - 1 x Mini-phone Female Stereo Audio - 1 x 6.35mm Male Stereo Audio - Black
This adaptor convert 3.5mm to 1/4 inch stereo connection. Works with headphone, mixing boards, karaoke, and other analog applications. (Connectors: 3.5mm Female to 1/4inch Male; Color: Black)