![](/content/dam/vizio/2021/pdp/audio/sb3621n/Subwoofer - SB3621n-H8.jpg)
The wireless subwoofer adds booming bass to sports, TV shows, movies, and music down to 50Hz.
![](/content/dam/vizio/2021/pdp/audio/sb3621n/Immersive Configuration - SB3621n-H8.jpg)
With DTS Virtual:X, experience room-filling sound, like jets flying overhead and rain falling from above.
![](/content/dam/vizio/2021/pdp/audio/sb3621n/Bluetooth - SB3621n-H8.jpg)
Music Streaming
Stream music wirelessly from your phone or any compatible Bluetooth® device.