Zoom H4n Pro Operation Manual page 35

The H4n Pro is equipped with a built-in mono speaker.
This is a mono speaker for playback. Use
it to easily play and listen to recorded
data without connecting headphones to
the LINE/PHONE jack.
• When the LINE/PHONE jack is
connected
• When MONITOR setting is ON
• When in recording standby in
MTR mode
•
• When used as an audio interface
• When nothing is connected to the
LINE/PHONE jack
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