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Hello there, Todd. Thank you for sharing your question with us about your LG 50UT7570PUB 4K UHD TV. We understand your situation and are happy to help you set up a true surround‑sound experience. Your TV supports eARC (Enhanced Audio Return Channel) on HDMI 2, as well as Bluetooth® Surround Ready, so you have two simple options: Wired Surround via eARC Connect your AV receiver or soundbar system’s HDMI OUT (ARC/eARC) port to the TV’s HDMI IN (eARC) port using a High Speed HDMI cable (with Ethernet). On your TV, go to Settings → Sound → Sound Out, select HDMI ARC/eARC, then enable SImPLINK (HDMI CEC) if you want control through your Magic Remote. Start your receiver or soundbar, and the TV audio will pass through in full Dolby Digital or DTS formats for your surround speakers. Wireless Rear Speakers via Bluetooth Surround Ready Pair compatible LG wireless rear speaker kits or Soundbar & Surround Speaker Bundles: Go to Settings → Sound → Sound Out → BT Surround. Put your LG rear speaker module into pairing mode and select it on the TV to create a 5.1 wireless setup without extra cables. One helpful troubleshooting step: If you don’t hear surround audio after setup, first verify in Settings → Sound → Additional Settings → Digital Sound Out that it’s set to Auto or Pass‑Through rather than PCM. This ensures multichannel formats flow correctly to your receiver or wireless speakers. https://www.lg.com/us/tvs/lg-50ut7570pub-4k-uhd-tv#pdp_specs We’re here to guide you through every step. Please send us a private message on social media @LGUSSupport and our team will be more than happy to explore any additional tips or solutions. —Renzo
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