The BA3570F and BA3570FS are stereo headphone amplifiers with ALS (Auto Loudness System) which have been designed for use as headphone drivers in audio equipment.

Features
1) The use of ALS (Auto Loudness System) makes it possible to obtain a dynamic sound regardless of the volume level.
2) Built-in power mute circuit.
3) Built-in bypass circuit.

Applications
Stereo headphones