I am familiar with two brands that make and sell brackets for the sonos sub flexson and vebos.
Vebos wall mount sonos sub.
The vebos wall mount sonos sub is easy to mount.
Vebos wall mount sonos sub white 64 00 vebos wall bracket sonos play 1 white 15 degrees 19 95 vebos wall mount sonos play 5 gen 2 rotatable black vertical 54 00.
They look very similar in appearance but the flexson bracket seems to create more space between the sub and wall also.
Your sonos deserves the best every sonos sub needs a vebos wall mount to experience the best music in any room in your home sonos sub suitable for.
Vebos wall mount sonos sub black en optimal sound experience in every room compatible with sonos sub sonos speaker wall mount shelf holder for sonos one gen 2 google nest mini google nest wifi adjustments for best audio hold up to 15 lbs white.
The vebos wall mount sonos subwoofer is made of high quality steel and is beautifully finished with a powder coated in the color of your black sonos woofer.
This is a nasty place for the sub because of possible damage due to vacuuming etc.