Denon Avrx520bt Firmware Update Top [better]

No. The AVR-X520BT hardware is limited to 5.2 channels and does not support Atmos decoding.

https://www.denon.com/en-us/product/av-receivers/avr-x520bt → Click “Downloads” → “Firmware” denon avrx520bt firmware update top

typically requires a for firmware updates. denon avrx520bt firmware update top

You only use optical cables (TV to receiver) and analog speakers. The update offers nothing for you and introduces a 0.1% risk of failure. denon avrx520bt firmware update top