After the firmware update, the VSX-934 competes directly with the Sony STR-DH790 and Yamaha RX-V6A in terms of stability. The MCACC auto-calibration, which previously crashed occasionally, now runs without a hitch.

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.

Updates have specifically addressed audio drops when using or DTS Virtual:X . These fixes stabilized the eARC (enhanced Audio Return Channel) connection with modern 4K TVs, ensuring consistent surround sound. 3. Added Functionality

A: No. Dirac Live is only available on the LX series (Elite). The VSX-934 remains limited to Pioneer's proprietary MCACC.

Fixed specific playback errors associated with playing high-resolution DSD audio files over a local NAS network. Step-by-Step Guide: How to Update Your Pioneer VSX-934

Have you installed the update? Did it fix your specific problem? Let us know in the comments below.

Turn off the VSX-934 using the front panel power button. Insert the USB drive into the SERVICE PORT (not the standard USB input on the front; check the rear panel for the service port label).

Beyond major feature patches, firmware updates frequently address minor system bugs that affect daily usability. These include: