Product Link:
https://www.jtechdigital.com/products/jtech-4kae-jtd-3255-4k-60hz-hdmi-earc-arc-audio-extractor
Model: JTECH-4KAE
JTD-ID: JTD-3255
Category: HDMI Audio Extractors

The J-Tech Digital JTECH-4KAE HDMI 4K60 Audio Extractor with eARC/ARC is a high-performance HDMI audio extractor and digital to analog audio converter designed for modern home theater and professional AV systems. This HDMI to RCA L/R, HDMI to optical SPDIF, and HDMI audio out converter extracts digital audio from a single HDMI source while passing video through to a display. Supporting 4K at 60Hz UHD resolution, HDR, HLG, and Dolby Vision pass-through, the JTECH-4KAE delivers reliable, high-bandwidth video with no signal loss. Built-in eARC and ARC audio return allows audio from compatible TVs to be routed to soundbars, AV receivers, amplifiers, and powered speakers, with support for Dolby Atmos, Dolby AC-3, DTS, and LPCM audio formats, making it ideal for home theater, conference rooms, classrooms, and presentation environments.
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Extracts audio from a single HDMI input and outputs via Optical SPDIF and/or RCA L/R analog with HDMI video pass-through
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Supports up to 4K@60Hz resolution with 3D video pass-through for high-quality, lossless viewing
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Includes three EDID audio modes (ADV / 2.0CH / 5.1CH) to ensure optimal audio de-embedding and compatibility
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Features an LED status indicator to confirm an active HDMI connection between source and display
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Powered by a reliable DC 5V/1A power adapter for stable operation
What's in the Box
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4K 60Hz HDMI Audio Extractor
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Power Adapter
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User Manual
What You Need for Setup
To complete your installation, prepare the following items:
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(1) x JTD-3255 4K HDMI Audio Extractor
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(1) x HDMI Input source device (media player, gaming console, dvd / blu-ray player etc.)
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(1) x HDMI Cable for input connection
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(1) x Optical cable (if using the SPDIF optical output on the extractor)
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(1) x 3.5mm audio cable (if using the L/R audio output on the extractor)
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(1) x HDMI cable (if using HDMI audio output on the extractor)
How to Set Up the HDMI Audio Extractor (Step-by-Step)
Standard Setup:
1. Connect Your HDMI Source: Plug your gaming console, streaming device, or Blu-ray player into the HDMI Input on the extractor.
2. Connect HDMI Output to Your TV or Monitor: The extractor passes video up to 8K60 or 4K120, ensuring no quality loss.
3. Connect to Your Sound System: Choose the audio output that matches your equipment:
Optical SPDIF → for Dolby Digital 5.1 / DTS
Analog L/R → for stereo receivers or powered speakers
HDMI Out 2 Audio Only → for receivers that accept HDMI audio
4. Configure Audio Settings: Use your source device’s audio menu to select the correct audio format (Stereo, Bitstream, Dolby Digital, etc.).
5. Adjust EDID if Needed: If you experience audio dropout or limited formats, switch EDID modes using the "Audio" buttons on the audio extractor's front panel.

ARC / eARC Setup:
1. Connect your display's ARC / eARC port to the HDMI audio extractors "HDTV OUT 1 (eARC/ARC)" port.
2. Ensure that CEC is enabled within your display's settings.
3. Press the "eARC/ARC" button on the extractor and ensure that the eARC/ARC LED indicator is on.
4. Choose the audio output that matches your equipment:
Optical SPDIF → for Dolby Digital 5.1 / DTS
Analog L/R → for stereo receivers or powered speakers
HDMI Out 2 Audio Only → for receivers that accept HDMI audio

Troubleshooting Steps
No Audio Output
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Check HDMI and audio cable connections
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Ensure your audio system supports the selected format
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Try switching Optical ↔ HDMI Audio Out
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Toggle EDID settings
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Confirm ARC/eARC is enabled on your TV (if used)
ARC/eARC Not Working
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Confirm your TV supports ARC or eARC
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Use the TV’s dedicated ARC HDMI port
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Turn on CEC control (often required for ARC)
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Power-cycle TV and extractor to refresh HDMI handshake
Call our team at (888) 610-2818 or email us at sales@jtechdigital.com or support@jtechdigital.com for more information!