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44 Advanced recording techniques
—Owner’s Manual
Applying effects
Here we will explain how external effects can be applied as you record tracks or during mix-
down. If you wish to apply effects to the input signal of an input channel or to the playback
sound of a track, two methods are available: using the INSERT I/O jack or using the AUX
SEND jack.
Using the INSERT I/O jacks
Input channels 1 and 2 of the MD4S provide INSERT I/O jacks for inserting external effect
processors. By using these jacks, you can apply an effect only to a specific channel/track as you
record a track or while you mixdown. Normally, the technique of applying an effect via the
INSERT I/O jack is used for effects which affect the dynamics or tone of the original sound
(e.g., compressor, limiter, noise gate, equalizer etc.).
The INSERT I/O jacks accommodate TRS (tip, ring, sleeve) phone plugs. The signal of the
input channel is sent from the tip of the INSERT I/O jack to the external effect unit, and the
signal that has been processed by the external effect unit is sent via the ring of the INSERT I/O
jack back into the input channel.
INSERT I/O jacks
Effect processor
MD4S
Applying an effect to a specific track as you record
Bass Bass
Track 1
Track 2
Track 3
Track 4