Key Specifications (CM677 / 25445)
- Model: UGREEN CM677 (25445)
- HDMI Version: HDMI 2.1 (HDCP 2.3 support)
- Max Resolution: Up to 8K @ 60Hz (40Gbps bandwidth)
- Video Input/Output: 1× HDMI input, 1× HDMI output (pass-through)
- Audio Extraction Outputs:
- Optical (TOSLINK / S/PDIF)
- 3.5mm stereo audio jack
- Audio Support:
- PCM / LPCM
- Dolby Digital / DTS
- Up to 5.1 / 7.1 surround (via HDMI depending on mode)
- Audio Sampling Rate: Up to 24-bit / 192kHz
- Video Color Support: RGB / YCbCr formats (4:4:4 / 4:2:2 / 4:2:0)
- Modes: 2.0CH / 5.1CH / Bypass / ARC-eARC switching
- Power Supply: USB-C (5V/1A)
- Compatibility: PS5, PS4, Xbox, PC, laptops, set-top boxes, TVs
- Build: Compact metal housing for heat dissipation
Main Function
- Splits HDMI video + audio
- Sends video to TV/monitor
- Extracts audio to:
- External speakers / AV receiver (optical or AUX)
In simple terms
It’s used when you want:
- 4K/8K video on a TV
- BUT better sound through speakers/sound system instead of TV speakers
Other Questions
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