Preset graphic equalizer for
The BA3840KV is a preset graphic equalizer IC for headphone stereos. It combines two equalizer circuit channels on
a single chip, and also includes a dynamic sound leak reduction circuit.
Portable CD players
1) Four sound quality settings are possible by DC con-
2) High-frequency sounds can be cut off based on the
3) The sound leak reduction circuit can be turned on
and off by DC control.