A:Answer The LG SK4D 2.1 Channel 300W Sound Bar with Wireless Subwoofer and Bluetooth® Connectivity, Model # SK4D can be paired with any TV that supports Bluetooth to stream audio wirelessly to it via Bluetooth. It also has an Optical Digital Audio Input that can be connected to an Optical Digital Audio Output on any TV. The LG UK6190PUB 4K HDR Smart LED UHD TV - 70'' Class (69.5'' Diag), Model # 70UK6190PUB does not support Bluetooth so you cannot pair it with the Soundbar, but it does have an Optical Digital Audio Output that you can connect to the Optical Digital Audio Input on the Soundbar...^IFV