How to improve the sound of speakers on Xiaomi: from settings to hardware improvements

The speakers in Xiaomi smartphones are often the subject of criticism: users complain about quiet sound, lack of bass or distortion at high volume. However, most problems are solved by software settings or inexpensive hardware improvements. In this article, we will examine all possible ways to improve the sound from standard MIUI functions to installing modified firmware and physical upgrades to speakers.

It is important to understand that sound quality depends on three key factors: hardware platform (model speaker, stereo system availability), software processing (equalizer, codecs) and acoustic environment (case of smartphone, position of holes), We will analyze each of them and offer solutions for different budgets - from free to requiring investments of 1-3 thousand rubles.

This article is relevant for all modern models of Xiaomi, Redmi and POCO (2019-2026), including flagship Xiaomi 14, Redmi Note 13 Pro+ and budget POCO X6. Particular attention is paid to the differences between models with stereo speakers (for example, Redmi K70) and mono devices (for example, Redmi 12C).

1. Sound optimization through standard MIUI settings

The first step is to use the built-in MIUI tools, and many users are unaware of the hidden features that can make the sound much better, starting with the basic settings:

Open Settings → Sound and vibration → Sound quality. There are three key parameters available here:

• 🔊 Equator - allows you to adjust the frequency balance (bass, medium, high frequencies).
• 🎵 Sound effects—includes presets (e.g., "Bas Boost" or "Voice").
• 🔇 Adaptive sound – automatically adjusts the volume according to the noise level around.

For most models Xiaomi optimal preset equalizer will be the User with a rise in basses by +3-4 dB and average frequencies by +2 dB. The exception is the models with stereo speakers (for example, Xiaomi 13T), where it is better to use the preset "Cinema" - it is optimized for speech and music playback through both speakers.

Don't forget to tune Dolby Atmos (available on flagships and some mid-range models), which mimics surround sound, but it needs to be set up correctly:

• 🎬 For movies, select a Movie profile.
• 🎧 For music – Music with activation option Virtualization of speakers.
• 🎮 For games, Game, but disable virtualization to avoid delays.

⚠️ Warning: Redmi 10C and older models may experience a 10–15% decrease in maximum volume when activated by Dolby Atmos, due to the limitations of the MediaTek Helio G88 hardware platform.

2. Installation of third-party equalizers and sound modifications

The standard equalizer MIUI is inferior to third-party solutions for flexibility. Consider the top-3 application for fine tuning of sound:

To install ViPER4Android on Xiaomi, follow the following steps:

Install Magisk and get root rights | Download the latest version of ViPER4Android with XDA Developers | Install the Audio Modification Library module via Magisk|Reboot your device and set up a profile in the app-->

Wavelet is the best choice for users without root. The app automatically determines the model of your smartphone and offers optimized settings. For example, for the POCO X5 Pro, it recommends raising the frequencies of 60-250 Hz by +4 dB to compensate for the weak bass of the built-in speakers.

⚠️ Warning: Using equalizers with aggressive settings (bass lifting more than +6 dB) can cause the audio chip to overheat on models with Snapdragon 6xx and MediaTek Helio Gxx. Symptoms: the sound begins to "hackle" after 10-15 minutes of playback.

Hardware improvements: replacement of speakers and modifications of the body

If the software methods don't work, consider physical modifications, let's start with the most radical one, speaker replacements, and there are three types of replacements on the market.

• 🔧 Original speakers – purchased from official Xiaomi suppliers (for example, for the Redmi Note 11 Pro+ suitable speaker with art. MDY-11-12).
• 🔊 Improved analogues are speakers from third-party manufacturers with better performance (e.g. GoerTek or AAC).
• 🎛️ Stereomodification – adding a second speaker to monophonic models (requires soldering work).

The cost of replacing the speaker in the service center is from 1200 to 2500 rubles (depending on the model). Self-replacement will cost 300-800 rubles (price dynamics) + tools. For popular models there are ready-made kits on AliExpress:

• 📦 For the Redmi Note 10 Pro: a set of speakers + adhesives (~600₽).
• 📦 For POCO X3 Pro: improved speaker with neodymium magnet (~900₽).

Alternatively, it is a modification of the acoustic camera, and in Xiaomi's budget models (like the Redmi 9A), the speaker is often covered with too tight a grid or foam, which silences the sound.

1. Carefully remove the back cover (use a suction cup and plastic mediator).
2. Find the speaker (usually at the bottom next to the USB- port).
3. Remove the factory foam or paste it with a porous material (e.g. 3M VHB).
4. Check the tightness – the sound should be 20-30% louder without distortion.

4. Sound tuning through the engineering menu

The MTK Engineering Mode (QPST) allows you to fine-tune audio chip settings that are not available in the standard interface. Careful: the wrong settings can lead to breakage!

For devices on MediaTek (most Redmi and POCO):

1. Enter the dialer code ##36446337##.
2. Go to Hardware Testing → Audio → Normal Mode.
3. In Speaker, find the settings: Max Vol – maximum volume (increase gradually, step 5%); DAC Gain – amplification of digital-to-analog converter (optimally +2 dB); EQ Band – manual equalizer setting (analogue of ViPER4Android).

For Snapdragon devices (e.g. Xiaomi 12T):

1. Install QPST and connect your phone in Diag Mode (code ##717717###).
2. Select Software Download → Audio Tuning.
3. Edit the Speaker_Tuning profile by increasing Max Volume by no more than 15% of factory value.

To install CrDroid on POCO F5:

1. Unlock the bootloader through the Mi Unlock Tool.
2. Install TWRP for your model (e.g. skkk_TWRP_12.1_A13 for POCO F5).
3. Sweep through the firmware CrDroid-9.x and the Dolby Magisk module.
4. Activate Dolby Atmos in the sound settings.

KernelSU allows you to fine-tune the audio chip settings. For example, for the Snapdragon 870 (installed in POCO F3), you can change the following settings in the /sys/kernel/sound_control/speaker_gain file:

echo "85" > /sys/kernel/sound_control/speaker_gain # Volume increase by 10%


echo "1" > /sys/kernel/sound_control/speaker_eq # Enable hardware equalizer

💡

Installing custom firmware will void the warranty and may result in device lock (brick).Before firmware, back up via TWRP and check compatibility with your model on the XDA forum.

7. Sound optimization for specific scenarios

The sound settings should vary depending on the task, and consider the optimal profiles for different scenarios:

To stream music via Spotify or YouTube Music, set up the bitrate in the app:

• Spotify: Settings → Sound quality → Very high (320 kbps).
• YouTube Music: Settings → Sound quality → Always high.

For voice recordings (e.g., on Telegram or WhatsApp), turn off all sound effects and set the equalizer to neutral, which will reduce noise and improve speech intelligibility.

8.Diagnostics of sound problems

If the sound suddenly worsens, first determine the cause.

Check the physical cleanliness of the speakers (whether there is dust or debris)|Test sound in safe mode (excludes the influence of third-party applications)|Update. MIUI last-minute|Check the equalizer settings (may have gone wrong after the update)|Connect the headphones – if the sound is clean, the problem is dynamics-->

Typical problems and their solutions:

• 🔇 Silent sound in one speaker (stereomodel): Most often caused by clogging of one of the speakers, the solution is purging with compressed air or replacing the grid.
• 🔊 Wheezing at high volume: Indicates damage to the speaker membrane. Replacement required.
• 🎵 Absence of bass: Check the equalizer settings and the tightness of the acoustic camera (see Section 3).
• 🔌 Sound goes missing when charging: Problem is contacts USB-C Try another cable or clear the port with alcohol.

To test speakers, use the Speaker Test application or enter the dial code:

##0673##

This will run a diagnostic audio test (works on most Xiaomi models).

If the problem persists after all manipulations, check the audio chip log via ADB:

adb logcat | grep -i audio

Look for errors like AudioFlinger could not create track or Speaker device not found, which indicate hardware failure.

FAQ: Frequent questions about improving sound on Xiaomi