JTECH-4KAE (JTD-3255) – 4K HDMI Audio Extractor with ARC eARC | Setup Guide

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.

• Extracts audio from a single HDMI input and outputs via Optical SPDIF and/or RCA L/R analog with HDMI video pass-through
• Supports up to 4K@60Hz resolution with 3D video pass-through for high-quality, lossless viewing
• Includes three EDID audio modes (ADV / 2.0CH / 5.1CH) to ensure optimal audio de-embedding and compatibility
• Features an LED status indicator to confirm an active HDMI connection between source and display
• Powered by a reliable DC 5V/1A power adapter for stable operation

What's in the Box

• 4K 60Hz HDMI Audio Extractor
• Power Adapter
• User Manual

What You Need for Setup

To complete your installation, prepare the following items:

• (1) x JTD-3255 4K HDMI Audio Extractor
• (1) x HDMI Input source device (media player, gaming console, dvd / blu-ray player etc.)
• (1) x HDMI Cable for input connection
• (1) x Optical cable (if using the SPDIF optical output on the extractor)
• (1) x 3.5mm audio cable (if using the L/R audio output on the extractor)
• (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

• Check HDMI and audio cable connections
• Ensure your audio system supports the selected format
• Try switching Optical ↔ HDMI Audio Out
• Toggle EDID settings
• Confirm ARC/eARC is enabled on your TV (if used)

ARC/eARC Not Working

• Confirm your TV supports ARC or eARC
• Use the TV’s dedicated ARC HDMI port
• Turn on CEC control (often required for ARC)
• Power-cycle TV and extractor to refresh HDMI handshake

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