For more information on using FX Units, refer to Working with FX Units.
5.4. Front Panel View
The front panel hosts controls for making crossfader assignments, and sockets for connecting
headphones and a microphone.
Front panel.
(1) Crossfader Curve selector: Selects the curve which lets the audio signals fade in and out
when moving the crossfader from one side to the other. For more information, refer to Assigning
Mixer Channels to the Crossfader.
(2) Crossfader Assignment selectors C, A, B, D: Assigns the individual Mixer channels to either
the left or right crossfader side, or unassigns them when set to center position. For more informa-
tion, refer to Assigning Mixer Channels to the Crossfader.
(3) MIC D: Connects a microphone to Mixer Channel D using an XLR cable. For more information
on adding microphones, refer to Integrating Microphone.
(4) PHONES OUT 1/8" and 1/4": Connect one or two pairs of headphones. When two pairs of
headphones are connected, the maximum headphone volume level is decreased.
5.5. Rear Panel
The rear panel hosts all sockets for connecting the device to the computer, for powering it up, and
for connecting external devices.
Rear panel.
(1) MAIN OUT RCA R / L: Connects the S4 to a power amplifier using unbalanced RCA cables.
(2) MAIN OUT XLR R / L: Connects the S4 to a power amplifier using balanced XLR cables.
(3) BOOTH OUT 1/4" R / L: Connects the S4 to a power amplifier for the DJ booth using balanced
1/4" cables.
(4) LINE IN D RCA R / L: Connects a line level audio source, e.g., a CD player to Mixer channel D
using RCA cables.
(5) PHONO / LINE IN B RCA R / L: Connects a phono level device, e.g., a turntable or a line level
audio source, e.g., a CD player to Mixer channel B using RCA cables.
(6) GND: The GND (ground) screw connects the ground wire of turntables to prevent buzzing in
the audio signal.
TRAKTOR KONTROL S4 Overview
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