Zoom H4n - Manual (Page 83)

All about EFFECT
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About input and output of [EFFECT]
You can use EFFECT in MTR mode for mono or stereo signals. The flow of signals will
change corresponding to the input sources and recording tracks.
2. Input source comes from either [MIC] or INPUT [1] [2]
TRACK
Built-in MIC L or INPUT [1]
Built-in MIC R or INPUT [2]
+ + EFFECT
PRE AMP EFX
1. Input source comes from either INPUT [1] or [2]
TRACK
+ EFFECT
PRE AMP EFX
INPUT [1] or [2]
Two recording
tracks:
One recording
track:
1. Input source comes from either INPUT [1] or [2]
2. Input source comes from either [MIC] or INPUT [1] [2]
TRACK
TRACK
+ EFFECT
PRE AMP EFX
TRACK
TRACK
EFFECT
PRE AMP EFX
INPUT [1] or [2]
Built-in MIC L or INPUT [1]
Built-in MIC R or INPUT [2]
Only on MTR MODE