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You still need an additional receiver to have a wired surround sound system/subwoofer. This does support ARC HDMI pass-through so you can send a 5.1 signal from the TV through your receiver to your speakers. Works great for me. If you use wired speakers though you really need to turn the volume down on the TV. If you have them both on at the same time there is a millisecond audio lag which makes it almost sound like an echo. It's really just one or the other for sound. Either use the TV speakers, or use your wired ones, not both at the same time.
Sorry, there was a problem. Please try again later.Hello there, Yes, you can connect a sound system using an HDMI or an optical cable. You can only hear that sound simultaniously of your using the Headphone port of this TV for your sound system. I hope this helps! ~Zac
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