4K HDMI ARC Audio Decoder with Dolby & DTS Downmix
Extract ARC Audio from Any HDMI-Enabled TV — Dolby 5.1 & DTS 5.1 Downmix to Analog Stereo
AUD-DCODEARC-4KUPC 813982023918
Overview
Extracts audio from any ARC-enabled HDMI TV and downmixes Dolby 5.1, DTS 5.1, or PCM 2.0 to 2-channel analog stereo via dual outputs (RCA and 3.5mm). CEC support enables TV remote volume control for seamless operation.
Designed for home theaters, hospitality installs, and conference rooms, the AUD-DCODEARC-4K bridges the gap between modern ARC-only TVs and legacy analog audio equipment — powered entirely via USB with no external adapter required.
Key features
- HDMI ARC audio extraction from any ARC-enabled TV to analog stereo output
- Licensed Dolby Digital 5.1 and DTS 5.1 decoding with downmix to 2-channel stereo
- PCM 2.0 stereo pass-through for standard audio sources
- Dual analog outputs: 3.5mm stereo jack and RCA L/R for flexible connectivity
- CEC volume control — adjust volume using the TV remote
- USB-powered (5V/500mA) — can run from TV USB port with no wall adapter
- Front-panel LED indicators for power, ARC link, and audio format (PCM/Dolby/DTS)
- Compact aluminum enclosure (70x65x27mm, 80g) for discreet installation behind displays
- ESD protection: +/-8kV air-gap, +/-4kV contact discharge
| Technical | |
| HDMI Compliance | HDMI 1.3 or above |
| HDMI Audio Formats | PCM 2.0, Dolby 5.1, DTS 5.1 |
| L/R Audio Format | Analog Stereo 2CH |
| Vmax | 2 Vrms |
| SNR | >90 dB |
| THD+N | <0.1% (Vmax); 0.001%-0.01% (Vbest) |
| Crosstalk | >80 dB |
| Frequency Response | 20 Hz - 20 kHz +/-1 dB |
| ESD Protection | +/-8kV (air-gap) / +/-4kV (contact) |
| Connection | |
| Input | 1x HDMI Type A [19-pin female] (ARC IN), 1x Micro USB (power) |
| Output | 1x 3.5mm Stereo Jack, 2x RCA L/R |
| Mechanical | |
| Housing | Aluminum Enclosure, Silver |
| Dimensions | 70mm (W) x 65mm (D) x 27mm (H) |
| Weight | 80g |
| Power Supply | USB 5V/500mA |
| Power Consumption | 0.86W (Max) |
| Environmental | |
| Operating Temperature | 0C - 40C (32F - 104F) |
| Storage Temperature | -20C - 60C (-4F - 140F) |
| Relative Humidity | 20-90% RH (no condensation) |
| Package Contents | |
| 1x | HDMI ARC Audio Down-Mixer |
| 1x | USB Cable (USB-A to Micro USB) |
| 1x | User Manual |
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