The SJ4 soundbar system provides an immersive audio experience with High Resolution Audio and Wireless Surround Sound capabilities. With Bluetooth streaming and LG Sound Sync Wireless, you can easily connect and control your soundbar. The HDMI connectivity and wireless subwoofer enhance the overall sound quality and power of the 2.1ch system (300W). The Adaptive Sound Control (ASC) feature customizes the sound mode to suit your content. Additionally, the soundbar is designed to work seamlessly with LG TVs. With its sleek design and powerful performance, the SJ4 is an ideal audio solution for TVs sized 40 inches and above.