How to Set Up a Marantz Receiver HDMI ARC in 2026
HDMI ARC makes it possible to send audio from your TV back to a Marantz AV receiver through a single HDMI cable.
If you want better TV sound, fewer cables, and simpler control with one remote, the setup is straightforward once you know which settings matter most.
What HDMI ARC Does on a Marantz Receiver
ARC stands for Audio Return Channel.
It lets compatible TVs send sound to your receiver over the HDMI connection that normally carries video to the TV, so streaming apps, over-the-air broadcasts, and built-in smart TV audio can play through your speakers.
On a Marantz receiver, ARC is commonly used with the main HDMI output and the TV’s ARC-enabled HDMI input.
Many newer Marantz models also support eARC, which can carry higher-quality audio and is often more reliable for modern TVs.
Before You Start: Check Compatibility
Before setting anything up, confirm that both devices support ARC or eARC.
- Marantz receiver: Look for HDMI ARC or eARC support in the manual or on the rear panel labels.
- TV: Use the HDMI port specifically marked ARC or eARC.
- HDMI cable: Use a High Speed HDMI cable or, preferably, an Ultra High Speed HDMI cable for newer systems.
If your receiver is a model from the Marantz NR, SR, CINEMA, or AV series, the HDMI settings may differ slightly, but the overall process is the same. eARC is especially useful if you plan to use Dolby Atmos, DTS-HD Master Audio, or lossless streaming audio from supported apps.
How to Set Up Marantz Receiver HDMI ARC
1. Connect the HDMI cable correctly
Run one HDMI cable from the Marantz receiver’s main HDMI output to the TV’s HDMI port labeled ARC or eARC.
Do not use a regular TV HDMI input if it is not marked for ARC.
2. Enable HDMI Control on the Marantz receiver
Open the receiver’s setup menu and turn on HDMI Control.
On many Marantz receivers, this feature is required for ARC to function.
If HDMI Control is off, the receiver may not receive audio from the TV.
Depending on the model, you may also see a setting called ARC or TV Audio Switching.
Make sure ARC is enabled if that option appears.
3. Activate ARC or eARC on the TV
Go into your TV’s sound or HDMI settings and enable ARC, eARC, or Anynet+ on Samsung, Bravia Sync on Sony, Simplink on LG, or CEC on other brands.
ARC usually depends on HDMI-CEC, the control protocol that allows devices to communicate across HDMI.
4. Select the proper TV audio input on the receiver
Use the Marantz remote or front panel to choose the input labeled TV Audio, TV Audio In, or the equivalent input assigned by the receiver.
Some Marantz models automatically switch when ARC is active, but manual selection may still be needed for initial setup.
5. Set the TV’s audio output to external speakers
In the TV’s sound menu, choose external speakers, receiver, or HDMI ARC output.
If the TV is still sending audio to its internal speakers, the receiver will not play sound even if the cable is connected properly.
Recommended Marantz and TV Settings
Several settings can affect ARC performance, especially when using Dolby Digital, Dolby Atmos, or 5.1-channel audio.
- HDMI Control: On
- ARC or eARC: On
- TV Speaker: Off or External Speaker
- Digital Audio Output: Auto, Passthrough, or Bitstream
- PCM Mode: Use only if your TV or apps have compatibility issues
If you want the best chance of receiving multichannel audio, set the TV’s digital output to Auto or Passthrough rather than PCM.
PCM is often limited to stereo, depending on the TV and app.
How eARC Differs From ARC on Marantz Receivers
ARC is suitable for most TV audio, but eARC offers more bandwidth and stronger device communication.
With eARC, your Marantz receiver can more reliably receive lossless formats and object-based audio from compatible TVs and sources.
Use eARC if both your Marantz receiver and TV support it.
If one device only supports ARC, the system will usually fall back to standard ARC.
That said, some TVs require a firmware update before eARC becomes stable, so checking software versions is a smart step in 2026.
Troubleshooting HDMI ARC on a Marantz Receiver
If you do not get sound after setup, work through these common fixes.
No audio from the TV
- Confirm the HDMI cable is in the TV’s ARC or eARC port.
- Check that HDMI Control is enabled on the receiver.
- Enable ARC, eARC, or HDMI-CEC on the TV.
- Make sure the receiver is set to TV Audio.
Audio cuts out or delays
- Update the TV and receiver firmware.
- Try a different HDMI cable.
- Power cycle both devices by unplugging them for 60 seconds.
- Disable and re-enable HDMI-CEC on both devices.
Only stereo sound plays
- Check the TV’s digital audio output setting.
- Use a streaming app that supports surround sound.
- Verify that your content actually includes multichannel audio.
- If needed, enable eARC instead of ARC.
The receiver does not switch automatically
- Turn on HDMI Control.
- Enable auto input switching if your model offers it.
- Check whether other HDMI devices are conflicting with CEC commands.
Tips for Better Performance
ARC works best when your HDMI chain is simple.
Avoid unnecessary adapters, splitters, or switchers between the Marantz receiver and the TV.
Use quality HDMI cables, keep firmware current, and reserve the ARC port only for the receiver connection.
If you use a streaming device like an Apple TV 4K, Roku, Amazon Fire TV, or Nvidia Shield, connect it directly to the Marantz receiver for the best audio routing.
Then let the receiver send video to the TV while ARC handles built-in TV apps and broadcast audio.
When to Use ARC vs. Direct HDMI Audio
ARC is ideal for TV apps and simple everyday use.
Direct HDMI connections from game consoles, Blu-ray players, and media streamers to the Marantz receiver are still the preferred method for the highest-quality audio and most consistent lip-sync behavior.
In a well-designed home theater, ARC complements the receiver rather than replacing it.
It gives you a clean way to hear TV audio through your speaker system without adding extra optical cables or manual source switching.
Common Marantz Receiver Features That Help With ARC
Marantz receivers often include helpful functions that make ARC easier to manage:
- HDMI Setup menu: Central place to turn on HDMI Control and ARC
- Input renaming: Lets you label TV Audio clearly
- CEC compatibility: Supports power and volume sync with the TV
- Firmware updates: Improve HDMI stability and compatibility
If your model includes Audyssey room correction, you can still run calibration normally after ARC is configured.
ARC does not interfere with speaker setup, bass management, or surround decoding.
What to Remember During Setup
The key to how to set up Marantz receiver HDMI ARC is getting the cable path and HDMI-CEC settings aligned on both devices.
Once the TV and receiver can talk to each other, TV audio should route through the receiver with minimal effort, making your home theater easier to use every day.
For the most reliable result, use the TV’s ARC or eARC HDMI port, turn on HDMI Control on the Marantz receiver, enable ARC or CEC on the TV, and set the TV audio output to external speakers.
If your devices support eARC, it is usually the better choice for modern streaming and surround sound formats.