How to Set Firestick to PCM Output

If you’re looking to optimize your Firestick’s audio output, you might be wondering how to set it to PCM.

PCM stands for Pulse Code Modulation and is a type of digital audio signal that delivers uncompressed, high-quality sound.

By setting your Firestick to PCM output, you can enjoy better audio quality, especially if you have an external sound system connected to your TV. 

Fortunately, setting your Firestick to PCM output is a straightforward process. In this article, I will walk you through the steps to change your Firestick’s audio output to PCM.

Whether you’re a movie buff or a music lover, this guide will help you get the most out of your Firestick’s audio capabilities.

So, keep on reading to learn how to set Firestick to PCM output.

How to Set Firestick to PCM Output

If you want to set your Firestick to PCM output, follow these simple steps:

How to Set Firestick to PCM Output

  • Go to Settings on your Firestick.
  • Select Display & Sound.
  • Choose Audio from the list.
  • Select Surround Sound.
  • Hover on PCM and press the center button.
  • That’s it! Your Firestick is now set to PCM output.

It’s important to note that PCM output is the most balanced setting if you’re only using your TV’s built-in speakers.

If you have a surround sound system, you may prefer to use the Best Available setting for the best audio experience.

However, if you’re not sure which audio output settings to select due to uncertainty about your content’s audio format, it’s best to choose PCM or Best Available.

This will help avoid any sound issues that may arise from audio incompatibility.

If you encounter any issues with audio or video sync, you may want to try adjusting the audio settings or running an audio and video diagnostics test.

Can PCM Do Surround Sound?

If you’re wondering whether PCM can do surround sound, the answer is yes.

PCM can support up to 7.1 surround sound, which means that it can deliver a high-quality audio experience for movies, TV shows, and other content that is encoded in surround sound.

When you set your Firestick to PCM output, it means that the audio is being sent to your TV or receiver in a digital format. The TV or receiver then decodes the audio and sends it to the speakers.

If your TV or receiver supports surround sound, then it will be able to decode the PCM signal and deliver the audio to all of your speakers.

However, it’s important to note that not all apps and streaming services support surround sound.

Some apps may only offer stereo sound, even if the content is encoded in surround sound. In these cases, setting your Firestick to PCM output won’t make a difference.

If you want to ensure that you’re getting the best audio experience possible, you should check the audio settings for each app or streaming service that you use.

Look for options to enable surround sound or to select the audio output format.

Does HDMI ARC Support PCM?

Wondering about PCM support with HDMI ARC? The answer is yes. HDMI ARC, which stands for Audio Return Channel, enables audio transmission from your TV to your soundbar or receiver using a single HDMI cable.

How to Set Firestick to PCM Output

This convenient feature allows you to enjoy high-quality audio without the hassle of using multiple cables. When it comes to PCM, this audio format is supported by HDMI ARC.

PCM is a common format used for audio, and it can support up to 8 channels of audio at a maximum of 24 bits per sample.

Troubleshooting PCM Common Issues

If you happens to encounter issues when setting your Firestick to PCM output, here are some common problems and how to troubleshoot them.

No Sound After Switching to PCM

After switching to PCM output, you may experience no sound. Here are some steps you can take to troubleshoot this issue:

  • Check if the volume is turned up on your TV and Firestick.
  • Ensure that the audio cables are securely connected to your Firestick and TV.
  • Confirm that your TV is set to the correct input.
  • Restart your Firestick and TV.

If these steps do not resolve the issue, try changing the audio settings on your Firestick. Go to Settings >> Display & Sound >> Audio >> Surround Sound and select a different audio output option.

Firestick Not Showing PCM Option

If your Firestick is not showing the PCM option, follow these steps:

  • Check if your Firestick is updated to the latest software version. Go to Settings >> My Fire TV >> About >> Check for Updates.

How to Set Firestick to PCM Output

  • Ensure that your Firestick is connected to the internet.
  • Restart your Firestick.
  • If the PCM option still does not appear, try resetting your Firestick to its factory settings. Go to Settings >> My Fire TV >> Reset to Factory Defaults.

If these steps do not resolve the issue, it might be the time to contact Amazon customer support for further assistance.


In conclusion, setting your Firestick to PCM output is a straightforward process that can significantly enhance your audio experience.

By following the steps outlined in the guide, you can ensure that your device is optimized for high-quality audio playback, avoiding potential compatibility issues.

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