Interesting...
https://www.zteusa.com/axon7/3.5mm Headphone Jack
High Fidelity Sound Performance
Dual Speaker Support
M-Base Support Material
Playback Sound Playback Codecs: Dolby AtmosĀ® + Dolby Digital Plus (7+1 Surround Sound)
Sampling Frequency: 384 kHz
THD+N: '112dB
S/N: 120 dB
Recording Channel: 3 channel (HiFi),1 channel (VAD)
Resolution: 32 bit as per spec (24 bit as per performance)
Sampling Frequency: 96 kHz
MIC max input: 2.02 Vpp
S/N ADC: 102 dB