Have you installed the latest patch? Let us know in the comments if your subwoofer dropout is gone for good!
If you do not have a stable internet connection, you can use a USB drive to perform the update. Download the latest firmware from the Pioneer Support page . pioneer vsx934 firmware update fixed
Post-update, the handshake is nearly instantaneous. Users report that the VSX-934 now passes Dolby Vision low-latency (LLDV) from the Nvidia Shield and PS5 without a single dropout. The "black screen" saga is officially over. Have you installed the latest patch
Use this alternative path if your receiver is entirely disconnected from your home network, or if a standard wireless installation keeps failing. Download the latest firmware from the Pioneer Support page
Q: What should I do if the firmware update fails? A: Try using a different USB drive or resetting the device. If the issue persists, contact Pioneer support.
This means the internet connection dropped mid-download. Switch from Wi-Fi to a stable, wired Ethernet cable plugged directly into your router, then re-try the update.