Make the right connection with our 3.5mm Adapters. Adapts 3.5mm stereo plug to two 6.3mm (1/4in) stereo plugs. Converts single 3.5mm stereo output to two 6.3mm (1/4in) stereo outputs. Allows two 6.3mm (1/4in) stereo headphones to be plugged into the same 3.5mm stereo output such as MP3 player, CD player, computers, etc.