“How many channels of sound does the ARC support?”

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• The LG C9 55 inch Class 4K Smart OLED TV w/ AI ThinQ® (54.6'' Diag), Model # OLED55C9PUA has a 2.2 Channel 40W speaker system (20W Subwoofer & 2 x 10W speakers). Depending on how far from the TV you will be sitting and how large the TV is, you might want to consider a Subwoofer if you'll be sitting far away from the TV but you probably don't need a Soundbar. It also depends on your auditory acuity. If you have additional concerns or questions, you can contact our Customer Support by any of the below options: Phone: 1-800-243-0000 LiveChat: https://www.lg.com/us/support/chatbot Email: https://www.lg.com/us/support/email-appointment Facebook Messenger: https://www.facebook.com/LGUSA/ Twitter: @LGUSSupport The LG Community Forum is also a great resource for getting help from other LG customers: https://lgcommunity.us.com/

  Answered by LG Digital Customer Care 6 years ago

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• Works on all my COMCAST channels

  Answered by Rgcact 6 years ago

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