Enjoy deep bass tones with the TCL S55H 2.1 Soundbar.you get a subwoofer.the subwoofer amplifies bass tones, making it harder for you to hear.The bass tones give a film or series more depth so you blend in more, and thanks to Dolby Atmos you can hear spatial sound so you experience films more vividly.The plane from the film sounds like it's flying in your room, and you can connect your smartphone to the soundbar via Bluetooth, so you can also listen to your online music with the soundbar. 81 centimetres wide, the soundbar fits neatly under a TV of 40 inches or larger.