Your setup involves digital to analog, analog to digital and digital to analog and it’s a bunch of extra stuff to carry around or lose.
Yes it’s extra stuff to carry around, but it isn’t very large or heavy so I’m really not seeing a problem with portability. If I were to lose a Connector, I did buy two of them. It’s easy enough to then replace the lost Connector.
That can’t help the sound quality or the lag.
In my experience the sound quality of the TV Connector is noticeably not as good as my direct Bluetooth Classic connection to my Pixel 3 XL. I didn’t readily notice lag of an significance. The speed of going back and forth between my phone and the connector on my PC is no contest as it’s instant, since both are connected at the same time. All I need to do is bring up a sound source on either one and the sound is instantly available in my Marvels.
I should emphasize again, if I’m going to listen to music and I want the best quality, I’ll only be using my Bluetooth Classic connection with my Pixel 3 XL and my Google Play Music subscription.
If it’s so easy to pair your Marvels with your laptop, help me understand why you’re not just doing that.
Again, when using the TV Connector, I’m connected to both my Pixel 3 XL phone and my computer simultaneously. Going back and forth between the two devices is instant. Why on earth would anyone do the Bluetooth Classic “Forget” “un-pair” “re-pair” dance, that takes a minute or so to do, if one can be simultaneously connected with both phone and computer?
I hope that helps your understanding of why I have the TV Connector.