What are you looking for?
Splits headphone socket so two can listen at the same time.
Splits 3.5mm stereo sockets into left and right sockets.
Stereo 3.5mm-6.3mm adapter, stereo 6.3 mm-3.5 mm adapter, stereo 3.5 mm splitter.
Adapts large headphone plug to mini socket.
RCA Male - 3.5mm Female (mono).
3.5mm Male (stereo) - 6.3mm Female (stereo).
3.5mm Male (stereo) - 2 x RCA Female.
3.5mm Male (stereo) - 2 x 3.5mm Female (stereo).