Case number 1. TV samsung 75” is installed at the top of the wall , Near the ceiling.
Sonos Ray bar is installed 15 cmts under Tv. With this conditions, the IR remote control, not work. Only when you are in front and at level of the bar with de remote in your hand.
If you are sitting at the couch or lying on the bed, the IR remote control will not work, at any angle , even if you are exactly at the front of the bar .
An IR remote control will not work with sound bar model RAY , if the SONOS bar RAY will instal at high of 1.40 to 1.50 cmts of rhe floor level .
To fix this problem, you must to use an IR repeater and install IR “eye” in front of IR reciver Sonos Bar. with this solution, you will not have any problems to volume control of the Sound Bar.
If the sound Bar Ray, is installed at 30 to 45 cmts fron the level floor, You will not have any problem with volume control., You can up or down de volume from any angle..