8K HDMI eARC Audio Adapter
De-embed & Distribute Audio from Any HDMI 2.1 or eARC/ARC Source
Route audio simultaneously to a soundbar, amplifier, optical, and analog output from a single eARC TV port — one device replaces two. The KanexPro AUD-EARC-8K is a 48Gbps HDMI 2.1 eARC Audio Adapter with a dedicated Soundbar eARC HDMI output, Amp AUDIO HDMI output, S/PDIF optical, and analog L/R — all delivered simultaneously from one commercial-grade unit.
Fully compliant with HDMI 2.1 and HDCP 2.3, it passes video at up to 8K@60Hz and 4K@120Hz with HDR10, Dolby Vision, and HLG intact. Dolby TrueHD, Dolby Atmos, DTS-HD Master Audio, and DTS:X are supported on all HDMI outputs. An 8-mode DIP switch provides tool-free EDID management; CEC enables TV remotes to control sources and volume across any connected eARC sound system.
- HDCP 2.3 compliant
- Support 48Gbps video bandwidth and video resolution up to 8K@60Hz 4:2:0 12bit and 4K@120Hz 4:4:4 12bit, as specified in HDMI 2.1
- VRR, ALLM, QMS, QFT, SBTM are supported, as specified in HDMI 2.1
- Support HDR, HDR10, HDR10+, Dolby Vision pass-through
- Support LPCM 7.1CH, Dolby TrueHD, Atmos and DTS-HD Master, DTS:X Audio pass-through on the HDMI outputs
- HDMI input source and TV eARC/ARC audio are de-embedded to S/PDIF, L/R and HDMI audio to output (optical: PCM 2.0CH or Dolby/DTS 5.1CH; L/R: 3.5mm stereo analog)
- HDMI input source is de-embedded to any eARC/ARC soundbar to output
- Support full Audio up to Dolby Atmos/DTS:X from eARC TV to SONOS ARC & Beam or any eARC soundbar
- Support CEC control from TV to the source
- Support CEC volume control from TV to any eARC sound system
- Advanced EDID management
- USB-C service port for firmware updates and serial control
| Connection | |
| Input | 1 × HDMI IN [Type A, 19-pin female] |
| Output | 1 × TV (eARC) OUT [HDMI Type A, 19-pin female] 1 × Soundbar eARC OUT [HDMI Type A, 19-pin female] 1 × Amp AUDIO OUT [HDMI Type A, 19-pin female] 1 × OPTICAL [S/PDIF] 1 × L/R [3.5mm Stereo Mini-jack] |
| Controlports | 1 × SERVICE [USB Type C, Update Port] |
| Mechanical | |
| Housing | Metal Enclosure |
| Colour | Black |
| Dimensions | 145mm [W] × 68mm [D] × 18mm [H] |
| Weight | 262 g |
| Operating Temperature | 0°C ~ 40°C / 32°F ~ 104°F |
| Storage Temperature | -20°C ~ 60°C / -4°F ~ 140°F |
| Power Supply | Input: AC100-240V 50/60Hz, Output: DC 5V/1A (US/EU standards, CE/FCC/UL certified) |
| Power Consumption (Max) | 5.2W (Max) |
| Relative Humidity | 20~90% RH (Non-condensing) |
| Technical | |
| HDMI Compliance | HDMI 2.1 |
| HDCP Compliance | HDCP 2.3 |
| Video Bandwidth | 48Gbps FRL and 18Gbps TMDS |
| Video Resolution | Up to 8K@60Hz 4:2:0 12bit, 4K@120Hz 4:4:4 12bit |
| Color Depth | 8/10/12-bit |
| Color Space | RGB, YCbCr_4:4:4, YCbCr_4:2:2, YCbCr_4:2:0 |
| Audio Formats | HDMI Input/Output: 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 eARC 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 Amp 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 Audio de-embedding output: Optical: PCM 2.0CH/Dolby/DTS 5.1CH L/R: PCM 2.0CH |
| HDR | HDR, HDR10, HDR10+, Dolby Vision, HLG |
| ESD Protection | IEC 61000-4-2: ±8kV (Air-gap discharge) & ±4kV (Contact discharge) |
| VideoResolution | 8K · 4K@60 · 4K@30 · 1080P |
| HDMI Cable Type | Ultra HDMI 2.1 · HDMI 2.0 · HDMI 1.4 · HDMI 1.4 |
| HDMICableLength (HDMI IN / OUT) | 3m/10ft · 8m/26ft · 12m/39ft · 15m/49ft |
| Theuseof“PremiumHigh-Speed HDMI”cableishighlyrecommended. | |
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