Yes, technically, you can use a soundbar without a TV, depending on the connectivity options. Models equipped with Bluetooth or Wi-Fi can connect to smartphones, laptops, etc., to stream music and podcasts wirelessly. You can also use AUX or USB ports to connect additional devices directly. However, soundbars are first and foremost designed with the intention of supporting film and television audio. So if you find yourself wanting to play music primarily, consider turning your attention to budget-friendly bookshelf or Bluetooth speakers instead.