CS4398 is the flagship decoding chip of Cirrus Logic with excellent performance. You can also find it in a CD player with a price of more than 70 thousand yuan. CS4398 is a decoding chip with a specification of 24Bit/ 192K Hz. It has a signal-to-noise ratio and dynamic range of 120 dB, and the total harmonic distortion+noise is as low as 0.0005%. It adopts advanced special multi-bit δ -sigma modulator and integrates mismatch noise shaping technology.