UGREEN (25445) HDMI Audio Extractor (8K@60Hz) #CM677

       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

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