To achieve this, you need a two-channel audio player, such as a computer or mobile phone. Next, you need to play the left and right channel audio to two headphones respectively. This can be achieved by splitting the audio into left and right channels and connecting them to two headphones respectively. , so let two headphones play one left channel and one right channel.

First, you need a two-channel audio source, such as MP3 or CD. Then, you need an audio player that supports dual-channel output, such as iTunes or Windows Media Player. Finally, you need a two-way audio splitter, which can output two-channel audio signals to the left and right channels of two headphones.