How to open and configure sound optimization on Xiaomi devices: from smartphones to smartphones TV

Sound on Xiaomi devices is often a key factor in user-friendliness – whether it’s watching movies on Mi. TV, Listening to music through Redmi Buds or making phone calls, but many users are unaware that their gadgets are hiding powerful audio optimization tools. In this article, we will discuss how to activate built-in audio enhancement functions, what technologies are available on different Xiaomi devices (from the website). POCO Up to the flagship Mi 13 Ultra, and how to adjust them for maximum effect.

So it's important to understand that optimizing your sound is not just about increasing volume, it's about balancing frequencies, spatial sound, adapting to specific headphones or acoustic systems. TV It creates a surround sound effect even through the built-in speakers, and MIUI Sound Assistant on smartphones automatically adjusts the equalizer to the genre of music?

We will look at the official methods through the settings MIUI HyperOS, hidden engineering menus (for power users), and solutions for cases where standard features are not available, will pay special attention to devices with Snapdragon 8 Gen 2 processors and later – they have unique audio chips that support advanced settings.

1. Which Xiaomi devices support sound optimization

Not all Xiaomi gadgets are equipped with advanced audio technologies, the capabilities depend on the model, firmware version and hardware platform.

• 📱 Smartphones: flagship series Mi 11/12/13, Redmi K50/K60, POCO F4/F5 Supports Dolby Atmos, Hi-Res Audio and adaptive equalizer.Budget models (e.g. Redmi) 10A) limited to basic volume settings.
• 📺 TVs: All Mi TV Redmi Smart TV Starting in 2020, they have built-in Dolby Audio and sound mode settings (Cinema, Music, Voice). TV Q2 75) support DTS:X.
• 🎧 Headphones and TWS: Xiaomi Buds 4 Pro, Redmi Buds 5 and other wireless models have their own Mi Earphones app for equalizer and noise maker settings.
• 💻 Notebooks and tablets: Xiaomi Pad 6 and Mi Notebook Pro support Harman Kardon settings, but without Dolby.

To find out exactly what features are available on your device, check:

1. Processor model (e.g. Snapdragon 8)+ Gen 1 is generally supported by Hi-Res Audio).
2. Firmware Version: In HyperOS (starting in 2026), audio optimization is included in a separate menu.
3. Dolby Certificates or DTS device-specific.

2.How to enable Dolby Atmos on Xiaomi smartphones

Dolby Atmos is a surround sound technology that creates an effect. 3D-audio even through regular headphones or speakers. On Xiaomi smartphones, it is available starting with the Mi 10 and Redmi. K30 Pro, but it's often disabled by default. Here's how to activate it:

🔹 Method 1: Through settings MIUI/HyperOS

1. Open the Settings. → Sound and vibration.
2. Choose Sound Quality or Sound Effects (name depends on firmware version).
3. Slip on Dolby Atmos and switch on the switch.
4. Select the profile: Auto, Movie, Music or Voice.

🔹 Method 2: Through the Engineering Menu (for hidden settings)

If there is no Dolby in the standard settings, try:

#36446337## (for Snapdragon models)


or


#4636## → Audio → Dolby

⚠️ Warning: The engineering menu may contain parameters that will cause malfunctions. Do not edit other settings than those related to sound!

🔹 Method 3: Installation APK Dolby (for informal support)

On certain devices (e.g, POCO X3 Pro) Dolby can be activated manually:

1. Download the Dolby module APK (The version should match your firmware).
2. Install the file through Settings → Applications → Install unknown applications.
3. Reboot your smartphone and check for Dolby in the sound settings.

Wear headphones with support for Hi-Res

Include music in format FLAC or WAV

Switch to Dolby profiles (Movie/Music)

Compare the sound to the Dolby off-->

3. Set up the equalizer and sound effects in MIUI/HyperOS

Even without Dolby, you can make a lot of sound better through the built-in equalizer, and in the newer versions of the firmware, it's hidden under the Quality of Sound menu, and in the old versions, under the Sound Effects menu. Let's look at both.

🔹 Where to find an equaliser:

• 📲 MIUI 12/13/14: Settings → Sound and vibration → Sound quality → equalizer.
• 🆕 HyperOS: Settings → Sound. → Additional settings → equalizer.
• 🎵 For music: In the Mi Music or Google Play app Music has its equalizer (in the player settings).

🔹 Presets and manual tuning:

Standard presets (Rock, Pop, Classic) are often not optimal.

1. Select User Mode.
2. Increase the low frequencies (60-250 Hz) for bass.
3. Reduce the average frequencies (1-4 kHz) if the voice is too sharp.
4. Increase the high frequencies (8-16 kHz) for the "air" in the music.

🔹 MIUI Sound Assistant:

Starting with MIUI 13, Xiaomi has an artificial intelligence for sound that automatically adjusts the equalizer to the genre:

1. Go to Settings. → Special facilities → Sound Assistant.
2. Activate the Adaptive Sound option.
3. Allow access to the microphone (need to analyze ambient noise).

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If the sound gets worse after setting up the equalizer, reset to the factory settings and try another preset. Sometimes the user settings conflict with the hardware limitations of the speakers.

4. Sound optimization on Xiaomi TV: Dolby, DTS sound-mode

Xiaomi TVs (especially Soundbar models) offer far more audio customization options than smartphones, DTS:X, And we also have a manual calibration to match the acoustics of the room, and we'll figure out how to set it up.

🔹 Dolby's inclusion on the Mi TV:

1. On the remote, press Settings (Settings) → Sound.
2. Select Sound Mode → Dolby Audio.
3. Activate Virtual surround sound (for 5.1 effect via built-in speakers).

🔹 Adjustment of sound modes:

• 🎬 Movie: Boosts bass and creates a surround effect.
• 🎵 Music: High-frequency, medium-frequency, optimal for concerts.
• 🗣️ Voice: Suppresses background noise and enhances speech. Good for news.
• 🎮 Games: Reduces sound latency and enhances effects (shots, explosions).

🔹 Calibration for the room (only for the TV microphone-wise):

Some models (e.g. Mi) TV Q2 75) support automatic sound adjustment to the acoustics of the room:

1. Go to Settings. → Sound. → Calibration of sound.
2. Follow the instructions on the screen (the TV will give test signals).
3. Confirm the profile.

5. Hidden functions of sound: engineering menu and ADB-team

For experienced users, Xiaomi offers advanced audio settings through the engineering menu and ADB (Android Debug Bridge: These techniques unlock hidden audio capabilities, but require caution.

🔹 Access to the engineering sound menu:

Enter on the phone keyboard:

#36446337## for Snapdragon devices
#4636## → Audio – for devices on MediaTek

You'll find it on the menu:

• 🔊 Global Volume: Volume control at the system level.
• 🎛️ Equalizer: Extended equalizer with more bands.
• 🔇 Speaker Test: Testing the performance of speakers.

🔹 ADB-commands to unlock sound functions:

If your device supports Hi-Res Audio, but the feature is hidden, you can activate it via Hi-Res Audio. ADB:

1. Connect your phone to your PC and enable USB Debugging (Settings → About Phone → MIUI Version → 7 times tap to unlock the developer mode).
2. Enter in command line: adb shell settings put global audio_offload_disabled 0 adb shell settings put global audio_offload_min_duration_ms 0
3. Reset the device.

⚠️ Attention: Misuse of the right ADB This can cause a malfunction of the audio system. Before experimenting, back up your data through Settings. → Additionally. → Backup.

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Engineering menu and ADB This allows you to unlock functions that are not available in standard settings, but require technical knowledge. For most users, the official methods from the previous sections are sufficient.

6.Sound optimization for headphones and Bluetooth devices

Connecting wireless headphones (such as Xiaomi Buds 4 Pro or Redmi AirDots) opens up additional possibilities for customizing the sound, but many users face problems: poor sound quality, delays or no bass, let's figure out how to fix this.

🔹 Setting up Bluetooth codecs:

The quality of the codec depends on how good the music will sound.

• 🎧 SBC: Standard codec, low quality.
• 🎧 AAC: Best for music (used by default on iPhone).
• 🎧 aptX/aptX HD: High quality, but requires support from headphones.
• 🎧 LDAC: Best codec for Hi-Res Audio (available on Xiaomi flagships) 12S Ultra and newer).

To select the codec:

1. Put the headphones on.
2. Go to Settings → Connected devices → Settings gear next to the headphones → Sound quality.
3. Select the most supported codec (e.g. aptX Adaptive).

🔹 Mi Earphones app for TWS-headphone:

For models Xiaomi Buds and Redmi Buds has an official application with advanced settings:

1. Download Mi Earphones from Google Play.
2. Connect the headphones and open the application.
3. Set up: 🎛️ Equalizer (5 lanes). 🔇 Noise suppression (ANC). 🎤 Quality of microphone for calls.

🔹 Solving Sound Problems with Bluetooth:

If the sound is interrupted or distorted:

• 🔄 Reconnect the headphones.
• 📱 Update your headphone firmware through Mi Earphones.
• 🔌 Disable other Bluetooth devices (may interfere with the device).
• 🔋 Check the charge of the headphones (at low charge, the sound quality deteriorates).

7. Frequent problems and their solutions

Even after you set up your audio optimization, Xiaomi users may face some common problems, and let's look at the most common ones and how to fix them.

🔹 If the sound optimization is not working:

1. Check if your model supports the desired functions (see section 1).
2. Update your firmware to the latest version (Settings → About Phone → System Update).
3. Reset the sound settings to factory (Settings) → Sound. → Resetting settings).
4. If the problem persists, contact Xiaomi’s support team with the device model.

⚠️ Note: On custom firmware devices (e.g. LineageOS), audio optimization functions may be disabled, requiring the installation of separate modules such as ViPER4Android or JamesDSP.

8 Additional applications for improving sound

If Xiaomi’s built-in tools aren’t enough, third-party apps can be used, offering more flexible equalizer settings, surround effects, and even acoustic simulations.

🔹 Top.-5 applications for sound optimization:

• 🎛️ ViPER4Android: Advanced audio processor with support for Hi-Res and Surround effects. Requires root or Magisk.
• 🔊 Equalizer FX: Simple equalizer with presets for different genres.
• 🎧 Wavelet: Optimizes sound for specific headphone models (there is a database of profiles).
• 🔇 Bass Booster: Enhances low frequencies without distortion.
• 🎵 Poweramp: Music player with built-in equalizer and support FLAC.

🔹 How to install ViPER4Android (power-user):

1. Download the latest version ViPER4Android (fitting for your Android version).
2. Install it via Magisk (if root is required) or as usual APK.
3. Enable the handler in the application settings and select a profile (ViPER) DDC better-sounding).
4. Set up the equalizer and effects (Surround)+, Dynamic System).

⚠️ Attention: Apps like ViPER4Android They may conflict with Xiaomi's built-in audio drivers!

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The side of the app gives you more control over the sound, but it requires technical knowledge. MIUI or hyperos.

FAQ: Answers to Frequent Questions