The AK4191 is a 64-bit Stereo Digital Delta-Sigma Modulator, achieving high quality sound reproduction.
It corresponds to a 1536kHz PCM input and an DSD1024 input at maximum, suitable for playback of high resolution audio sources that are becoming widespread in Network Audio and USBDACs Audio systems.
In addition, it is capable of supporting a wide range of signals and achieving low out-of-band noise.
The AK4191 has six types of 64-bit digital filters, realizing simple and flexible sound reproduction in wide range of applications.