A newer receiver with native eARC would let you skip the adapter.) On the LGs, HDMI 2 is the eARC interface, so you only get three working inputs if you use it. Also, remember that the LG defaults to ...
Pro-Ject’s Pre Box S3 is a compact control hub with phono, HDMI eARC, USB-C, Bluetooth, and headphone support—but can one small box really run your entire system?