2.1,3.1,5.1,7.1 channel indicates (the number of speakers + Amplifier) which means number of speakers and Amplifier that can be connected with the home theaterNumber of Channels: 2.1
LG Sound Bar SL4
Carbon Woofer for a High Fidelity Sound
LG Sound Bar SL4 was engineered to produce clear sound with no distortion. In addition, the carbon diaphragm in the speaker woofer unit also assures excellent sound clarity.
Adaptive Sound Control
Music, movies and even the news have different audio profiles. LG Sound Bar SL4 features Adaptive Sound Control which identifies what is being played and automatically adjusts the sound mode to create the ideal audio experience.
Feel the beat with the powerful LG Sound Bar SL4 wireless subwoofer – convenient and easy to install, it pumps out extra 200 watts.
LG Sound Bar SL4 has various inputs and convenient options such as Optical and Bluetooth.
Bluetooth, Stream Anything
Streaming music directly via Bluetooth from your smartphone to LG Sound Bar SL4.
TV Sound Sync
LG Sound Bar SL4 can be simply connected to your LG TV via Bluetooth and optical. Enjoy more plentiful TV sound with a simple connection.
Carbon woofer | Adaptive Sound Control | Wireless subwoofer