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22 Welcome to the MD4S
—Owner’s Manual
Top panel connectors
A MIC/LINE INPUT 1,2 jacks
Balanced dynamic mics or line-level devices with balanced output can be connected to these
inputs. Unbalanced outputs such as on synthesizers can also be connected here. These jacks
will accommodate either XLR plugs or TRS phone plugs.
B INSERT I/O jacks
These are TRS phone jacks for connecting external effect devices. By connecting an external
effect such as a compressor or noise gate to these jacks, you can process the signal of input
channels 1 and 2.
C MIC/LINE INPUT 3, 4 jacks
These are 1/4" phone jacks used to connect electronic instruments such as a synthesizer or an
unbalanced mic.
D LINE INPUT 5–8 jacks
These are 1/4" phone jacks used to connect line-level devices such as synthesizers or CD
players. They can also be used as effect return jacks to input the effect sound from external
effect units such as reverb.
134
MIC/LINE INPUT
3
21
4 5678
LINE INPUT
INSERT
I/O
INSERT
I/O
2
MIC/LINE INPUT
3
21
4
INSERT
I/O
INSERT
I/O
INPUT OUTPUT
External effect unit (compressor, noise gate etc.)