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The issue is that the Vizio does not use RCA Red and White for it's Audio outputs- they are Inputs. Let me know if you're looking for a workaround to this problem.
Thanks for the reply.
There is an Audio Output- just not RCA. It uses a smallish sqaure jack labeled "Digital Audio Output" that accepts only an Optical Cable. In order to connect the TV Ears that require RCA jacks, you need a converter and an Optical Cable. The links below are to the parts you'd need in order to use the TV Ears.
Optical to RCA converter:
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