2.1 channel delivers a richer and more immersive sound Wireless subwoofer can be placed anywhere in your room and enhances your overall audio with powerful bass Bluetooth TV connection allows you to wirelessly pair this soundbar with a TV Game Mode automatically filters out distracting noises and fine-tunes audio to accurately locate specific sound effects Night Mode minimizes overall decibels for convenient late-night viewing Required accessories (sold separately) HDMI or optical digital cable, depending on how you're connecting the sound bar to the TV