4K video output support and standard RCA audio outputs (Front Left/Right, Subwoofer). Wiring and Installation Guide
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“Don't throw it away. That model string is a factory code. The manual isn't paper, it's digital. Look for the 'Testing' menu or a file on the internal storage. The password is usually dynamic based on the date or a hardcoded factory string.” 4K video output support and standard RCA audio