A:Answer You can get simultaneous audio from a Bluetooth connected device and the TV's internal speaker. Yes, BT audio will work with a Soundbar connected via optical cables. This TV does not have a headphone jack. Please see the link for the online user guide for this model. It is a helpful tool in learning more about the TV, http://kr.eguide.lgappstv.com/manual//w21/userguide_w6.0_u09.html. ^Daphane