In a basement compartment of our coach was a subwoofer, presumably synced with the outside TV. We hardly ever use that TV, and wouldn’t want to be booming loud bass sounds when we do, so I’ve had the subwoofer unplugged for ages, and recently removed it and put it into storage.
Here’s the subwoofer, nicely mounted on a shelf:
It is a wireless subwoofer, so the only attachment is a power cord:
The empty shelf:
That seemed like a good place to put a fire extinguisher and first aid kit, so they’re out of the way, but always reachable:
A much better use of that space!