I just bought the Arc Ultra, the Sub 4 and 2 Era 300. Then found out I don't have eARC on my tv. Will I be able to use all those channels with the optical adapter? I read the optical cable only support 7.1 and the Arc Ultra alone has 9.1.2 and I'm adding the dedicated sub and the 2 surrounds. Will I be very limited in my sound quality?
Answered
Sound quality with optical adapter
Best answer by Airgetlam
Optical supports 5.1.
You’d need to get an external ARC/eARC device to take the signal from your devices feeding the TV, and supply the extra channels to your Sonos. Or, purchase a newer TV that supports ARC/eARC. Fortunately, right now, there isn’t that much Atmos content, but that continues to change over time.
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