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I have a Sony Kd48a9 and there are 2 auto options. I know not to choose pcm for the arc, sub and one's. But what is the difference between auto 1 and
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Amazon.com: BobWire DAT1 Adds a 12V Trigger! Compatible with SONOS Connect, Echo Link, ChromeCast Audio, TV, Anything with an Optical Audio Out. Auto Power On Amplifiers & Fans. NOT Compatible with AV
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