Simplecom CM423v3 HDMI 2.0 Audio Extractor Optical SPDIF + 3.5mm Stereo with ARC 4K@60Hz | CM423V3

Simplecom CM423v3 HDMI 2.0 Audio Extractor Optical SPDIF + 3.5mm Stereo with ARC 4K@60Hz

• Optical SPDIF and 3.5mm audio output extracted from HDMI input
• One HDMI output for HDMI pass-through
• Ideal solution for connecting external speaker system with analog or optical input
• SPDIF and 3.5mm jack can output audio simultaneously for 2.0CH audio
• HDMI 1.4b and HDCP 1.4 Compliant
• Supports HDMI resolution up to 4K Ultra HD
• Powered by USB, plug and play
• Supports compressed and uncompressed audio format, such as DTS-HD, Dolby TrueHD, Dolby Digital, PCM, LPCM

Simplecom CM423v3 HDMI 2.0 Audio Extractor Optical SPDIF + 3.5mm Stereo with ARC 4K@60Hz
CM423v3 is an HDMI 2.0 audio extractor that supports video resolutions up to 4K@60Hz and offers audio output via optical SPDIF or 3.5mm stereo. It also features ARC (Audio Return Channel) compatibility, allowing direct connection to an ARC-enabled TV. This makes it an ideal solution for outputting audio to an external speaker system with analog or optical inputs, especially for audio systems without HDMI inputs.
It allows you to extract embedded audio from an HDMI source or directly from an ARC-compatible TV, and output the audio separately through either a stereo connector or a digital optical SPDIF connector. It complies with HDMI 2.0b standards, and supports up to 18Gbps of bandwidth, perfect for home theatre setups, 4K gaming, or video streaming on a 4K display. This compact adapter can be placed behind your AV equipment and powered via USB, either from a wall charger or an available USB port on your TV.
Features
• Compliant with the HDMI 2.0b standard for broad compatibility
• Supports HDMI input audio extraction or HDMI ARC audio extraction modes
• Supports 18Gbps bandwidth and HDMI input/output resolution up to 4K@60Hz
• Allows HDMI input to be passed through to an HDMI output while extracting audio for external sound system
• Supports HDMI ARC, allowing direct audio extraction from ARC-enabled TV
• Optical SPDIF and 3.5mm audio output extracted from HDMI input or ARC
• HDCP 2.2 compliant, ensuring compatibility with encrypted media
• Powered by USB, micro USB port for power input
• Supports compressed audio DTS Digital, Dolby Digital and uncompressed audio PCM, LPCM
Specifications
• HDMI Version: HDMI 2.0b (backwards compatible)
• HDMI resolution support: 480i/480p/576i/576p/720p/1080i/1080p/4K@60Hz
• Input: 1x HDMI Input
• Audio Outputs: 1x SPDIF (Optical), 1 x 3.5mm Stereo Audio (Analog)
• Video Output: 1x HDMI output (HDMI pass-through)
• ARC Support: Yes (with switch)
• HDMI 3D Support: Yes
• HDCP Version: HDCP 2.2
• Max Bandwidth: 600MHz
• Max Baud Rate: 18Gbps
• Support Color Format: 24bit, 30bit, 36bit deep color
• Digital audio Support: Dolby Digital, Dolby TrueHD, DTS-HD, DTS, PCM, LPCM
• Max Input Cable Distance: 10m AWG26 HDMI standard cable
• Max Input Cable Distance: 10m AWG26 HDMI standard cable
• Power Input: Micro USB (5V/1A)
• Dimension: 75 x 55 x 25mm (LxWxH)
• Weight: 43g
Package Contents
• 1x HDMI Audio Extractor
• 1x 0.5M HDMI Lead
• 1x USB Power cable
• 1x Optical Audio Cable
• 1x User Manual

Product Last Updated: 10/04/2026

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