Connect the Y-Splitter cable to the computer’s sound output (headphone jack).

The cable will take a single stereo channel (left & right) and split it into two separate mono channels. A Y-Splitter cable adaptor (Single Stereo to 2 Mono Outputs) can be used in this case. Depending on the hardware available, one of the following and most common configurations will generally be required: A) STEREO TO MONO SPLITTER (Y-CABLE) If the computer has a single stereo output, an additional channel is required to listen to both the Master Output through external speakers and a separate channel through headphones. There are many different ways to configure a headphone channel. Settings - Audio Setup MASTER & HEADPHONES The default Audio Setup with Master Output is a good starting point but in order to DJ effectively and be able to pre listen (PFL) to the audio before it goes out to the audience, headphones are a necessity.