How to tune the sound in a Xiaomi TV: from base volume to advanced settings

Xiaomi TVs are known not only for high-quality images, but also for flexible audio settings that allow you to adapt the audio to any conditions, from quiet viewing at night to powerful theatrical sound. too quiet sound, no bass, incorrect operation of speakers or connected speakers. This article will help you understand all the nuances of the sound setting on Xiaomi TV — From basic parameters to hidden functions that are not written in the official instructions.

We will look not only at the standard options in the TV menu, but also at ways to solve typical problems: why the sound disappears when connecting through the TV. HDMI ARC, How to return stereo sound after updating the firmware, and what equalizer settings to choose for different genres of content. DTS:X — These technologies require a special approach to configuration.

If you just bought a TV, you've got a Mi. TV 4S, Mi TV Q2 or flagship Xiaomi TV Master Series, or you have been using the device for a long time, but you want to improve the sound - this instruction is suitable for all modern models of the brand. TV It depends not only on the model, but also on the firmware version. MIUI TV, Some menu items may be different.

Basic sound settings: volume, balance and mode

So, to start with, the simplest thing is to adjust the volume and select pre-sensing audio profiles, and these are available directly from the remote and basically from the settings menu.

To change the volume quickly, use the Volume buttons. +/– But if the sound is too quiet even at maximum or distorted at high levels, check the following parameters:

• 🔊 Sound mode: go to Settings → Sound. → Sound mode. There are options available: Standard - balanced profile for most scenarios; Cinema - enhanced low frequencies for movies; News - underlined mid frequencies for better speech intelligibility; Music - extended dynamic range for tracks.
• 🔄 Channel balance: if the sound is shifted left or right, adjust the balance in Settings → Sound. → Balance. This is true when you connect external speakers or sound bars.
• 📶 Automatic volume control: Smart volume option (in some firmware - Dynamic range) automatically reduces the volume of ads and increases quiet dialogues. → Sound. → Additionally.

On models with support AI Sound (e.g. Xiaomi) TV Master 77" is available mode AI Scene Recognition, which automatically adjusts the sound to the content, but this feature only works correctly when you are actively connected to the Internet - the TV downloads sound profiles from the Xiaomi cloud.

⚠️ Note: If the option is missing after the firmware update AI Sound, reset the sound settings to factory. → System system → Resetting settings → Reset the audio settings. It doesn't affect the other settings of the TV.

Equator and manual frequency setting

The built-in equalizer allows you to customize the sound to your preferences more precisely, a feature that is especially useful if you listen to music through TV or watch movies with a lot of bass.

To open the equaliser:

1. Go to Settings → Sound → Equalizer.
2. Select one of the pre-profiles (Rock, Pop, Classic, Speech) or click User to manually customize.
3. Adjust sliders for frequencies: 60 Hz - ultra-low frequencies (bass); 170 Hz - lower middle (percussion, bass guitar); 310 Hz - medium frequencies (voice, guitars); 600 Hz - upper middle; 1 kHz - presence (intelligibility of speech); 3 kHz - high frequencies (symbols, hiss); 6 kHz and 12 kHz - ultra-high frequencies (air, shine).

For home theaters, it is recommended to raise 60 Hz per +3…+5 dB and slightly reduce 3 kHz by -1...-2 dB to reduce the sharpness of the sound. If you are listening to music, try the profile Music with additional gain of 170 Hz for a richer sound.

⚠️ Attention: On Xiaomi models TV with low-power speakers (e.g., Mi) TV 4A 32") excessively amplifying the low frequencies (60 Hz) can cause the sound to be distorted or the audio chip to overheat.

Make sure the sound mode is in the "User"|Check that external speakers are disabled (if you use built-in speakers)|Reset the equalizer to factory settings before experiments|Listen to the test track before and after the changes for comparison-->

Connecting external audio devices: subwoofer, sound panel, headphones

Built-in speakers even in top Xiaomi models TV They're often inferior to external audio systems.

1. Connection via HDMI ARC/eARC

This is the best way to use sound panels and AV-receivers. ARC (Audio Return Channel allows you to transmit sound from the TV to the audio system over the same cable used for video transmission.

Instructions:

1. Connect. HDMI-port HDMI ARC on the TV and sound bar (ports are usually signed).
2. From the TV menu, go to Settings → Sound → Digital audio output.
3. Choose. HDMI ARC Auto (depending on the model).
4. Enable Control. HDMI (HDMI CEC), to control the volume of the sound panel from the TV remote.

If the sound doesn't come up,

• 🔌 Check if the cable supports ARC (usually HDMI 1.4 or later).
• 🔄 Reboot the TV and sound bar (remove the plugs from the socket for 30 seconds).
• 📋 Update the TV firmware – in older versions MIUI TV were bugs with ARC.

2. Connection via Optical (TOSLINK)

The optical output transmits lossless multi-channel sound. AV-receivers or active columns.

Settings:

1. Connect the optical cable to the port S/PDIF TV-wise.
2. B Settings → Sound. → Digital audio output select Optical.
3. Set the sound format: PCM — Dolby Digital for multi-channel sound (5.1).

On Xiaomi models TV Q2 75" and older, Passthrough is available, which transmits uncompressed sound (including Dolby Atmos) to an external device without processing.

3. Connecting headphones

For private listening, you can use:

• 🎧 Bluetooth headphones: enable Bluetooth in Settings → Devices → Bluetooth and pair. Latency depends on the headphone model — for movies, it's better to choose devices that support aptX Low Latency.
• 🔌 Wired headphones: connect to the 3.5mm connector on the TV (if any) or through USB-adapter.

⚠️ Note: On some Xiaomi models TV When you connect your Bluetooth headphones, the built-in speakers automatically turn off. To return sound to both devices, go to Settings. → Sound. → Simultaneous sound output and enable the option.

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If you have an external audio system HDMI ARC The sound only appears after the TV is restarted, turn off the Quick Start function in the power settings. MIUI TV 3.0 and newer.

The sound setting for Dolby Atmos and DTS:X

Xiaomi TVs TV Master Series and some Mi models TV Q2 Supports objectively oriented Dolby Atmos sound and DTS:X. However, the correct operation of these technologies requires the correct configuration.

To turn on Dolby Atmos:

1. Make sure your content supports Atmos (like movies in Dolby Vision on Netflix or Disney)+).
2. Go to Settings. → Sound. → Digital audio format.
3. Choose Passthrough or Auto (depending on the model).
4. Turn on the Dolby Atmos option (if it is on the menu).

For reproduction DTS:X need external AV-receiver, as Xiaomi TVs do not decode this format on their own. HDMI ARC and select the Bitstream format in the sound settings.

If Dolby Atmos is not working:

• 🔍 Check that the app settings (e.g. Netflix) have selected an Atmos-enabled profile.
• 🔊 Make sure that in the settings → Sound. → Digital audio format is not worth it. PCM — It converts multi-channel sound into stereo.
• 📋 Update the TV firmware – in older versions MIUI TV No support for Atmos through built-in applications.

Resolving sound problems

Even when you're fine-tuned, you can have problems, and let's look at the most common ones and how to solve them.

1. No sound at all.

If the sound is completely lost:

• 🔌 Check the connection of cables (especially) HDMI Optical).
• 🔊 Make sure the volume is not set to a minimum (click Volume). + remote).
• 🔄 Reboot the TV: Hold the power button on the remote for 5 seconds or turn off the plug from the socket for 1 minute.
• 📋 Check if the audio is turned off in the app settings (for example, on YouTube or Netflix).

2.There's a sound, but it's very quiet.

If at maximum volume the sound is barely audible:

• 🔊 Enable Low Frequency Amplification in Settings → Sound. → Additionally.
• 🎛️ Check the equalizer settings – all frequencies may be reduced.
• 🔌 If you use external speakers, make sure they are connected to the power source and their volume is also increased.
• 📋 Update the firmware - in some versions MIUI TV It was a volume-limiting bug.

3.The sound is distorted or wheezing

Causes of distortion:

• 🔊 Too high volume on built-in speakers (especially on budget models).
• 🎛️ Excessive increase of low frequencies in the equalizer.
• 🔌 Cable problems HDMI ARC Optical (try replacing the cable).
• 📋 Outdated firmware (update the TV).

4.The sound and video are not synchronized

Sound delay (lipsinc) most often occurs when:

• 🎧 Use Bluetooth headphones (try the model with aptX) LL).
• 📺 Reproduction of content from external devices (prefixes, computer).
• 🔄 Turn on sound processing (turn off Dolby Atmos or AI Sound in the settings).

To eliminate the sci-fi:

1. Go to Settings. → Sound. → Synchronization of sound.
2. Set the delay manually (start with the +50ms and adjust).
3. If the option is not on the menu, try turning off the audio processing (Settings) → Sound. → Additionally. → Sound processing → Off.).

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If the sound is only lost in a particular app (e.g. YouTube), the problem is most likely in the app itself. Try reinstalling it or using an alternative source of content (e.g., a smartphone via a smartphone). HDMI).

Hidden Sound Features on Xiaomi TV

In the firmware MIUI TV There are a few hidden options that are not documented in the official instructions.

1. Night mode for quiet viewing

This feature compresses dynamic range, making quiet sounds louder and louder sounds quieter, useful for viewing at night when you can not turn on the sound at full capacity.

How to turn on:

1. Go to Settings → Sound → additionally.
2. Find the option Night mode (or Dynamic compression).
3. Select the compression level: Low, Medium or High.

2. Customization of sound for specific applications

On TVs with MIUI TV 3.0 and later, you can assign separate audio profiles to different apps, for example, for YouTube you can set a profile Music, and for Netflix you can set a profile Movie.

Instructions:

1. Open the application you want.
2. Press the Settings button on the remote (cog).
3. Select the sound settings for this application.
4. Set up your desired profile (e.g., Speech for news channels).

3. Sound test for the diagnosis of speakers

If you suspect that one of the speakers is not working, you can run a built-in test:

1. Go to Settings. → Support → Self-diagnosis.
2. Select the Sound Test.
3. The TV will play the sound on each speaker in turn, and if one of the channels is silent, the hardware is the problem.

4. Resetting the sound settings to the factory

If something went wrong after the sound experiments, you can return the factory settings:

1. Go to Settings → System → Resetting settings.
2. Select Reset sound settings.
3. Confirm the action.

This reset does not affect other settings of the TV (Wi-Fi, accounts, etc.).

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If your model does not have the option “Night mode”, but there is a Dynamic range, set it in the position of Narrow – this will give a similar effect of volume compression.

Update the firmware to improve sound

Many problems with sound on Xiaomi TV So, it's solved by updating the firmware. The manufacturer regularly releases patches that fix bugs from the software. HDMI ARC, Support for Dolby Atmos and equalizer.

How to update firmware:

1. Go to Settings → About TV → System Update.
2. Click Check for updates.
3. If a new version is available, click Download and Install.
4. Wait until the process is complete (the TV will restart automatically).

If the automatic update does not work:

• 🔌 Check your internet connection (better to use an Ethernet cable).
• 📁 Download the firmware manually from the official Xiaomi website and install through Settings → On TV. → Update through USB.
• 🔄 If the update is hanging, don’t disconnect the TV from the network — wait 20 to 30 minutes. If the indicator doesn’t blink, perform a forced reboot (hold the power button for 10 seconds).

⚠️ Warning: After updating the firmware, reset the sound settings to factory, even if there are no problems. MIUI TV Audio processing algorithms may change, and the old equalizer settings will not work properly.

FAQ: Frequent questions about the sound on Xiaomi TV