Additional Features340W Total Output Power, Built-in centre speaker- Experience the crystal clear dialogue with a dedicated centre channel. It provides balanced sound from one end to the other and beautifully completes your home entertainment experience.Tested and tuned at the renowned California Audio Lab, our audio engineers applied new methods of transduction and advanced computer modeling to give you perfectly balanced, room-filling sound.The Wireless Surround Kit lets you expand your Soundbar to a surround sound system easily without the mess of wires. Together with your Soundbar, you can create a channel system for a true surround sound experience. Don’t let wires get in the way of your bass. Set the wireless subwoofer anywhere in your space and surround yourself with richer, deeper bass. Surround Sound Expansion expands the listening area both sideways and up to emanate even and high quality sound. Now you can enjoy great sound with truly immersive surround effects. The Soundbar uses Bluetooth for easy wireless connections to other devices. Enjoy music from your mobile in top audio quality anywhere, no strings attached.