SurroundBar 360 directly to receiver

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I'm trying to modify the cable harness to connect directly to my receiver without the dvd system.

Does anyone know if the connector just accepts the line-level speaker signals directly out of a receiver or if it is some digital signal?

I'm assuming it's simply line-level that feeds cross overs, which seperate the signals to the designated speakers, but i'm not sure.

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Update:
I ohmed out the pinouts and got the following results:
Pin 1-2: 1.2 ohms
Pin 3-4: ~8 ohms
Pin 5-6: ~8 ohms
Pin 7-8: ~8 ohms

And all other measurements are open circuit (i.e. between Pin 1-4 or 1-7)
So I'm guessing the pin-pairs 3-4, 5-6, 7-8 are 8-ohm speaker connections (left, center, right)? I don't have a clue what Pins 1-2 are for.
Can anyone shed some light?

dwg7127

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Any luck connecting to your receiver? Does your pin count start top left? eg:
1. 3. 5. 7.
2. 4. 6. 8.