1 Left - 2 Left + 3 Right - 4 Right + 5 Center - 6 Center + 7 not in use 8 not in use 9 not in use 10 Left back (Surround) - 11Left back (Surround) + 12 Right back (Surround) - 13 Right back (Surround) - 14 Subwoofer (low level ) + 15 Subwoofer (low level ) -.
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