Zoom H4n Pro 4-Input / 4-Track Portable Handy Recorder Kit with Protective Case (Black) - Manual (Page 66)

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Operations / Recording functions: COMP/LIMIT
HINT
Type Explanation Threshold (dB) Ratio
Output level
(dB)
Attack time
(ms)
Release time
(ms)
OFF Compressor and limiter OFF - - - - -
COMP1 (GENERAL) Standard compressor
These compressors reduce
high-level sounds and raise
the minimum level.
-48.7 9:1 +6.0 7.2 968
COMP2 (VOCAL) This compressor is good for vocals. -8.4 16:1 0 1.8 8.7
COMP3 (DRUM)
This compressor is good for drums
and percussion.
-48.2 7:1 +3.6 12.3 947
LIMIT1 (GENERAL) Standard limiter
Limiters compress when input
signals exceed the fixed level.
-14.4 60:1 0 6.4 528
LIMIT2 (CONCERT) Limiter good for live performance -13.8 32:1 +1.2 1.9 8.5
LIMIT3 (STUDIO) Limiter good for studio recording -12.0 8:1 +1.2 6.5 423