1) Four sound quality settings are possible by DC control. 2) High-frequency sounds can be cut off based on the volume. FBlock diagram 3) The sound leak reduction circui.

Headphone stereos Portable CD players FFeatures 1) Four sound quality settings are possible by DC control. 2) High-frequ.

BA3840KV 557 Audio ICs BA3840KV 558 Audio ICs BA3840KV 559 Audio ICs FMeasurement circuit BA3840KV FCircuit operation (1) Preset graphic equalizer (1) Flat position By pulling up the FLAT pin to VCC, frequency characteristics become flat..

BA3842F

BA3812L

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