About this item: 
This Package Includes: SR-X40A True X Bar 40A Dolby Atmos Soundbar with Built-in Subwoofers and SW-X100ABL True X Sub 100A Wireless Subwoofer 
The True X Bar 40A gives you the cinematic immersion of Dolby Atmos in a slim sound bar 
Featuring dual built-in subwoofers for powerful bass and the ability to add a True X Sub 100 subwoofer for even more power 
The True X Sub 100A Wireless Subwoofer adds powerful and expressive bass that transforms your space into a sonic universe that you can feel 
Wireless connection makes for a clutter-free addition to your setup