- This TCL 2.1 sound bar kicks out 220 W of room-filling sound - much louder than your TV speakers- Dolby Atmos and DTS Virtual:X create a 3D sound experience that's super immersive- HDMI eARC 2.0 transmits high-quality uncompressed audio with no loss in quality- Find your sweet spot with AI Sonic-Adaptation which calibrates the audio to your space- You can place the wireless sub where you like - no need to run a cable from the sound bar