40Gbps HDMI Audio Downmix Decoder
VLHA-H21DWM 
VLHA-H21DWM 40Gbps HDMI Audio Downmix Decoder
Thank you for purchasing this product
For optimum performance and safety, please read these instructions carefully before connecting, operating or adjusting this product. Please keep this manual for future reference.
Surge protection device recommended
This product contains sensitive electrical components that may be damaged by electrical spikes, surges, electric shock, lighting strikes, etc. Use of surge protection systems is highly recommended in order to protect and extend the life of your equipment.
Introduction
Introducing our 48Gbps HDMI eARC Audio to Amplifier Adapter, meticulously crafted to extract audio signals from HDMI sources or ARC/eARC-enabled TVs for seamless HDMI audio transmission to your AV Receiver. With support for data rates up to 48Gbps, compliant with HDMI 2.1 and HDCP 2.3 standards, it effortlessly handles UHDTV 8K@60Hz resolutions.
Packed with convenient features like EDID management and cable equalization, this adapter ensures effortless integration into your HDMI setup. It offers a straightforward solution for routing audio signals to your old audio amplifier, simplifying HDMI installations. Plus, enjoy seamless CEC control from your TV to both the source and amplifier, enhancing your overall audiovisual experience..
Features
☆ HDCP 2.3 compliant
☆ Support 48Gbps FRL and 18Gbps TMDS video bandwidth, as specified in HDMI 2.1
☆ Support video resolution up to 8K@60Hz 4:2:0 12bit, 4K@120Hz 4:4:4 12bit
☆ Support VRR, ALLM, QMS, QFT, SBTM, as specified in HDMI 2.1
☆ HDR, HDR 10, HDR 10+, Dolby Vision, HLG pass-through
☆ LPCM 7.1CH, Dolby TrueHD, Atmos and DTS-HD Master, DTS:X Audio pass-through
☆ HDMI input audio or TV ARC/eARC audio de-embedded to HDMI audio output
☆ Support CEC control from TV to the source and amplifier
☆ Support CEC volume control from TV to the amplifier sound system
☆ Advanced EDID management
☆ Compact design for easy and flexible installation
Package Contents
- 1 × 48Gbps HDMI eARC Audio to Amplifier Adapter
- 1 × 5V/2A Multinational Power Supply
- 1 × User Manual
Specifications
| Technical | |
| HDMI Compliance | HDMI 2.1 |
| HDCP Compliance | HDCP 2.3 |
| Video Bandwidth | 48Gbps FRL and 18Gbps TMDS |
| Video Resolution | Up to 8K@601-1z 4:2:0 12bit, 4K@1201-1z 4:4:4 12bit |
| Audio Latency | No Latency |
| Video Latency | No Latency |
| Color Depth | 8/10/12bit |
| Color Space | RGB_4:4:4, YCbCr 4:4:4, YCbCr 4:2:2, YCbCr_4:2:0 |
| Audio Formats | HDMI IN/OUT: LPCM, Dolby Digital/Plus/EX, Dolby True HD, Dolby Atmos, DTS, DSD, DTS-EX, DTS-96/24, DTS High Res, DTS-HD Master Audio, DTS:X HDMI AUDIO OUT: LPCM, Dolby Digital/Plus/EX, Dolby True HD, Dolby Atmos, DTS, DSD, DTS-EX, DTS-96/24, DTS High Res, DTS-HD Master Audio, DTS:X |
| HDR | HDR, HDR10, HDR10+, Dolby Vision, HLG |
| ESD Protection | IEC 61000-4-2: ±8kV (Air-gap discharge) & ±4kV (Contact discharge) |
| Connection | ||||
| Input | 1 x Source IN [HDMI Type A, 19-pin female] | |||
| Output | 1 x TV(eARC) OUT [HDMI Type A, 19-pin female] 1 x Amp AUDIO OUT [HDMI Type A, 19-pin female] | |||
| Control | 1 x SERVICE [USB Type C, Update port] | |||
| Mechanical | ||||
| Housing | Metal Enclosure | |||
| Color | Black | |||
| Dimensions | 95mm [W] x 68mm [D] x 18mm [H] | |||
| Weight | 178g | |||
| Power Supply | Input: AC 100-240V 50/60Hz, Output: DC 5V/2A (US/EU standards, CE/FCC/UL certified) | |||
| Power Consumption | 4.5W (Max) | |||
| Operation Temperature | 0°C – 40°C / 32°F – 104°F | |||
| Storage Temperature | -20°C – 60°C / -4°F – 140°F | |||
| Relative Humidity | 20-90% RH (non-condensing) | |||
| Recommended HDMI Cable | ||||
| Video Resolution | 8K60 | 4K60 | 4K30 | 1080P |
| HDMI Cable Length (HDMI IN / OUT) | 2m/6.6ft – 3m/10ft (Ultra HDMI 2.1) | 5m/16ft | lOrn/33ft | 15m/49ft |
| The use of “Premium High Speed HDMI” cable is highly recommended. | ||||
Operation Controls and Functions
Front Panel 
| No. | Name | Function Description |
| 1 | Power LED | When the device is powered on, the red LED will be on. |
| 2 | IN LED | When the input signal is detected, the green LED will be on. |
| 3 | OUT LED | When the OUT port connects to a TV, the green LED will be on. |
| 4 | Amp LED | When the AUDIO OUT port connects to an amplifier. the green LED will be on. |
| 5 | eARC LED | •On: The ARC/eARC function is turned on. CEC communication and ARC/eARC is working properly. •Flashing: The ARC/eARC function is turned on. CEC communication and ARC/eARC is not working properly. •Off: The ARC/eARC function is turned off. |
| 6 | eARC button | Press this button to enable or disable the eARC function. |
| 7 | EDID DIP switch | Use the DIP switch to set EDID. [DIP]=111: Copy OUT port sink video and audio EDID [DIP]=110: Copy AUDIO OUT port sink video and audio EDID [DIP]=101: FRL12G_8K_HDR, 2.0CH [DIP]=100: FRL12G_8K_HDR, 5.1CH [DIP]=011: FRL12G_8K_HDR, 7.1CH [DIP]=010: FRL1OG_8K_HDR, 2.0CH [DIP]=001: FRUOG_8K_HDR, 5.1CH [DIP]=000: FRI..10G_8K_HDR, 7.1CH |
| 8 | SERVICE | Firmware update and debug port. |
Rear Panel 
| No. | Name | Function Description |
| 1 | Source IN port | HDMI signal input port, connected to HDMI source device such as DVD, PS5 or 8K computer host with an HDMI cable. |
| 2 | TV(eARC) OUT port | HDMI signal output port, connected to TV (ARC/eARC) with an HDMI cable. It can be used as an ARC/eARC audio channel when the ARC function is enabled. |
| 3 | Amp AUDIO OUT | HDMI audio output port, connected to an amplifier with an HDMI cable. |
| 4 | DC 5V | DC 5V/2A power input port. |
Application Example
Note: When eARC function is turned on, the audio signal of Amplifier is the audio returned from 8K TV. When eARC function is turned off, the audio signal of Amplifier is from the HDMI input source.
The terms HDMI and HDMI High-Definition Multimedia interface, and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries.
Documents / Resources
 | VigilLink VLHA-H21DWM 40Gbps HDMI Audio Downmix Decoder [pdf] User Manual VLHA-H21DWM, HDC-MC02, VLHA-H21DWM 40Gbps HDMI Audio Downmix Decoder, VLHA-H21DWM Audio Downmix Decoder, 40Gbps HDMI Audio Downmix Decoder, 40Gbps HDMI Downmix Decoder, Audio Downmix Decoder, Downmix Decoder, Decoder |