(8) LINE IN C RCA R / L: Connects a line level audio source, for example, a CD player to Mixer
channel C using RCA cables.
(9) MIC C: Connects a microphone to Mixer channel C using a 1/4" connector.
(10) Kensington Lock slot: Connects a Kensignton Lock to the S4 to help prevent against theft.
(11) USB HUB: Connects a USB device, for example, another TRAKTOR controller or a USB-Hub.
(12) USB socket: Connects your S4 to the computer using the supplied USB cable.
(13) PSU socket: Connects the supplied Native Instruments Power Supply to the S4.
(14) Power switch: Switches the S4 on or off.
TRAKTOR KONTROL S4 Overview
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