Strong music
Many people use Bluetooth speakers to listen to music. But not so long ago, people bought home theaters and robust audio systems. You may still have some around your house, but they have lost value or have broken over time. Please don’t throw them away!
There are some excellent alternatives. As they always come in pairs, you can use them as shelf holders to store all your books and movies, just as you can see in the picture. On top of being resourceful, your friends will be jealous they couldn’t find such unique furniture at Ikea.