Simplecom CM423v2 HDMI Audio Extractor
User Manual
This adapter allows users to extract embedded audio from an HDMI source and output it separately through an analog 3.5mm audio jack or a digital optical SPDIF connector. The video signal remains within the existing HDMI signal and can be sent on to the HDMI display.
The compact adapter can be easily placed behind AV equipment and powered via a USB cable, drawing power from a USB charger or an available USB port on a TV, media player, or PC. It is compliant with both HDMI 1.4b and HDCP 1.4 standards.
Device Views:
The front panel of the device features a 3.5mm audio output jack and an HDMI input port. The rear panel includes a USB-C power input port (DC 5V), an optical SPDIF digital audio output port, and an HDMI output port.
Audio Mode Selection:
The device offers three audio mode settings:
- TV: Automatically detects audio settings from the TV's EDID. Note that the 3.5mm jack will be disabled if 5.1 audio is detected.
- 2.0: Both the SPDIF and 3.5mm jacks will output 2-channel stereo audio.
- 5.1: The SPDIF jack will output 5.1 channel audio. The 3.5mm jack does not support 5.1 channel audio and will be disabled in this mode.
Features
- Extracts Optical SPDIF and 3.5mm audio from the HDMI input.
- Provides one HDMI output for HDMI pass-through.
- An ideal solution for connecting external speakers with analog or optical input.
- SPDIF and 3.5mm jack can output audio simultaneously for 2.0CH audio.
- Compliant with HDMI 1.4b and HDCP 1.4 standards.
- Supports HDMI resolution up to 4K Ultra HD.
- Powered by USB, offering plug-and-play functionality.
- Supports compressed and uncompressed audio formats, including DTS-HD, Dolby TrueHD, Dolby Digital, PCM, and LPCM.
Specifications
| Specification | Details |
|---|---|
| HDMI Version | HDMI 1.4b |
| HDCP Version | HDCP 1.4 |
| EDID Support | EDID 1.4 |
| Input | 1x HDMI Female |
| Audio Outputs | 1x SPDIF (Optical), 1 x 3.5mm Stereo Audio (Analog) |
| Video Output | 1x HDMI Female (HDMI pass-through) |
| HDMI Resolution Support | 480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160p |
| Audio Support | DTS-HD, Dolby TrueHD, Dolby AC3, PCM, LPCM, DTS, DSD |
| Max Bandwidth | 400 MHz |
| Max Baud Rate | 10.2 Gbps |
| Input/Output TMDS signal | 0.5~1.5Volts p-p (TTL) |
| Input/Output DDC signal | 5Volts p-p (TTL) |
| Max working current | 350mA |
| Operation Temperature | -10°C ~ 50°C |
| Dimension | 75 x 55 x 25mm (LxWxH) |
| Weight | 43g |
Package Contents
- 1x HDMI Audio Extractor
- 1x 0.5M HDMI Cable
- 1x USB Power cable
- 1x USB Wall Charger
- 1x User Manual
Frequently Asked Questions (FAQ)
Q: Do I have to connect USB power?
Yes, external power is required for this extractor to work. You can connect the USB cable to a USB wall charger (5V/1A) or a USB port on your TV.
Q: Can I connect this extractor to an HDMI ARC port on a TV?
No, this adapter does not support ARC. The HDMI input port can only be connected to HDMI source devices such as game consoles, video players, and computers.
Q: The 3.5mm audio output is not working.
The 3.5mm jack does not support 5.1CH audio. Please ensure the Audio Mode is set to "2.0" to get audio from the 3.5mm jack. Also, check the audio output settings on your HDMI source device and change it to PCM or LPCM audio output.
Q: How do I get 5.1 CH Audio?
Ensure the Audio Mode is set to "5.1" to get 5.1 surround audio. You also need to verify that your HDMI source device supports 5.1CH audio and that it is enabled in the audio settings. Please note that the 3.5mm jack supports 2CH only and will be disabled in "5.1" mode.
Q: I am experiencing no video and audio output or HDCP error messages.
Please check your HDMI source device. This adapter supports HDCP 1.4. If a higher version of HDCP is detected, there will be no display.
Warranty
This product comes with a 1 Year limited warranty. Simplecom goods are provided with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and for compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.
For assistance with warranty claims, please email support@simplecom.com.au or create a support ticket at www.simplecom.com.au.
Simplecom Australia All Rights Reserved. Simplecom is a registered trademark of Simplecom Australia Pty Ltd. All other trademarks are the property of their respective owners. Specifications and external appearance are subject to change without notice. Warranty and technical support for this product are only valid in the country or region of purchase.
Visit us at www.simplecom.com.au or contact support at support@simplecom.com.au.
