Sony's esports headsets " Inzone H9" and "Inzone H7" received a software update on October 13. This update improves microphone sound quality and is available in the PC software " Inzone Hub".
The panel of Inzone Hub
The quality of the headset’s microphone has been criticized in the past, with complaints of "muffled sound" and "sounds like a mechanical walkie-talkie." The new update addresses this issue.
Source: 4Gamer
Contributed by nado