Xiaomi’s Redmi line of smartphones has long proven to be reliable devices with excellent value for money. However, out of the box, audio options are often set to average values that may not satisfy the demanding user or music lover. The right configuration allows you to unlock the potential of speakers and improve the frequency transfer in headphones, making listening to music, watching movies and talking much more comfortable.
In this article, we will take a closer look at all the available audio customization tools hidden in the MIUI and HyperOS shell. You will learn how to activate advanced codecs, customize your individual sound profile and fix common quiet-sounding problems. Competent tuning can turn mediocre audio into quality, so it’s worth taking a few minutes to do this.
Before you get to the tricky part, you need to master a basic level of volume control. In the Android operating system, and in particular in the shell from Xiaomi, there is a separation of media streams, calls and alarms, which is often overlooked, understanding this structure is the first step to perfect sound.
Basic Volume and Sound Profiles setting
The first thing that users encounter when they need to change the sound level is the side keys of the adjustment, but what many people don't know is that a brief tap only changes the current stream (for example, the volume of a video), and a long or repeated tap opens up an extended menu, where you can independently configure levels for media, calls, alarms and system notifications, which allows you to make the ringtone loud, leaving the content at a comfortable level.
The sound settings (Settings → Sound and Vibration) hide an important “Use buttons for adjustment” switch. If you select “Multimedia Volume,” the side buttons will always control the sound in the apps, which is convenient when watching movies. Also available is the “Sound Effects” section, where you can turn on the “Sound Improvement” function, which automatically adjusts the equalizer to the type of content you play.
⚠️ Warning: Activating Mono-audio combines stereo channels into one, which is useful for people with hearing impairments in one ear, but for normal listening to music with stereo headphones, it will degrade the sound quality by making it flat.
Special attention should be paid to audio profiles that change the way speakers work. The standard profile is balanced, but the In-pocket or On-Table modes can change the vibration frequencies and tonality of notifications for better audibility in different conditions.
- 🎧 Media – regulates the volume of videos, music and games.
- 🔔 Notifications – manages the sounds of messages and system alerts.
- 📞 Calling – determines the volume of incoming calls.
- ⏰ An alarm clock is a separate slider that ensures you wake up even when the media sound is off.
Remember that in some regions or firmware versions, the interface may differ slightly, but the logic of the work remains the same for all Redmi models. If the sliders are locked or inactive, check whether Do Not Disturb or Silent Mode is enabled, which take precedence over manual settings.
Customization of equalizer and sound effects Mi Sound Enhancer
For those who want more control over frequencies, Xiaomi smartphones have a powerful tool Mi Sound Enhancer built in. This module allows you not only to choose ready-made presets (Pop, Rock, Jazz), but also create your own settings, accessed through the Sound Effects menu or directly from the Settings, depending on the version of MIUI.
In manual equalizer mode, you see a graph with multiple sliders corresponding to different frequency ranges. When you lift the left sliders, you add a bass, making the sound deeper and richer. The right sliders are responsible for high frequencies, adding ringing and detail. The central range affects the clarity of the vocals. It's important not to overdo it: too much lifting of all frequencies can lead to distortions and wheezing, especially at maximum volume.
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To get a clear sound without distortion, try not to lift the sliders of the equalizer above the middle of the scale. It is better to turn down the general volume, but keep the frequencies clean.
A special role is played by the function "Earphone Virtualization." If you use a wired headset or Bluetooth headphones, the system will suggest you to choose the type of connected device. Sound processing algorithms optimize output for the selected category, which can significantly improve the scene and separation of instruments.
| Preset type | Characteristics | What's the point? |
|---|---|---|
| By default. | Balanced sound | Daily use, podcasts |
| Bass is up. | Emphasis on low frequencies | Electronic music, hip-hop, action movies |
| Clear voice | Rising of the average frequencies | Audiobooks, news, phone calls |
| Bright | High frequency focus | Classical music, jazz |
It's worth noting that equalizer settings apply globally to all audio-reproducing apps. If you set up a music profile, the same settings will work for both YouTube and games, which is convenient, but requires finding a compromise that will suit you in most scenarios.
Dolby Atmos and Hi-Res Audio on Redmi
Many modern Redmi models are licensed with Dolby Atmos, a surround sound system that creates three-dimensional sound effects even on stereo devices. Dolby Atmos activation is usually found in the same Sound Effects menu. When turned on, the system begins to analyze content and dynamically distribute sound objects in space.
Dolby Atmos’s settings often include profiles like “Automatically,” “Video,” “Music,” “Voice.” Automatically is the most versatile, but if you watch a lot of movies, manually selecting a “Video” profile can give a more cinematic result with an extended scene.
⚠️ Note: Dolby Atmos and other audio enhancers increase energy consumption.If you care about every percentage of your battery life on a trip, these features can be temporarily disabled without critically affecting sound quality.
Separately, it is worth mentioning the support for Hi-Res Audio. If your smartphone has the appropriate logo and you use high-quality wired headphones with DAC (DAC), Including Hi-Res in the settings will allow you to stream audio without compression, which is true for users of streaming services like Tidal or Qobuz, as well as for owners of audio without compression. FLAC-library.
What is the difference between Dolby Atmos and regular stereo?
High-resolution activation may require the option to include Hi-Res Audio in the developer menu or in the basic audio settings if it is hidden. Remember that to assess the difference, you need headphones that can play a wide range of frequencies, otherwise you will not hear improvements.
Set up Bluetooth audio and codecs
When using wireless headphones or speakers, the sound quality depends on the selected codec. Xiaomi smartphones support various data transmission standards, such as SBC, AAC, aptX, LDAC. By default, the system chooses the most stable codec, but not always the highest quality.
To access manual codec selection, you need to activate the developer menu. Go to Settings → About Phone and quickly click on the MIUI version (or build number) seven times. Once you have become a developer, go back to the main settings menu, select “Additional” → “Developers”.
☑️ Activation of the Developer Menu
In the developer section, look for the Bluetooth Audio codec, where you can see the list of available codecs. Choosing LDAC or aptX HD will provide the best transfer quality if your headphones support these standards. However, it is worth considering that higher-quality codecs may be less stable over long distances or in the presence of interference.
- 📶 SBC — Basic codec, everywhere, quality average.
- 🍏 AAC — standard for Apple devices, good quality and compatibility.
- 🎵 aptX – Qualcomm technology, low latency and good quality.
- 🚀 LDAC — Sony codec, transmits 3 times more data, better sound, but higher battery consumption.
You can also find the "Absolute Volume" setting on the developer menu, so if you're plugging in your headphones and your headphones, you're adjusting the volume separately and it's uncomfortable, try switching that setting, and you can synchronize the volume sliders.
Problem Solving: Quiet Sound and Wheezing
One of the common complaints users have is the quiet sound in the speakers or headphones. Before carrying the phone to the service, it is worth checking the software restrictions. In some regions (for example, in the European Union) there are rules on limiting the maximum volume to protect hearing, and you can remove this restriction by changing the region in the phone settings to a country with different norms, for example, India or the United States (Settings → Additional settings → Region).
⚠️ Warning: Changes in region may affect some local services and applications, and after volume checks, it is recommended to return the original region for proper geolocation and news.
If the sound is hoarse or gone, check the dynamic grid for dust and dirt. Often, the problem is solved by simply brushing the soft brush. The software solution may be to reset the audio settings. You can use an engineering menu to enter the code ##6484## in the caller app and select a speaker test to check their performance.
In some cases, cleaning the cache of the Sound system application helps. Go to Settings → Apps → All applications, find system components associated with sound (often hidden or have system names), and try to clean their data. This will return the audio subsystem to factory parameters.
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A sharp change in volume or the appearance of wheezing is often not associated with a break in the speaker, but with a software failure or contamination of the mesh.
If after all the manipulations the sound remains quiet or distorted, it may be the hardware problem - the speaker plume has gone away or the module itself has failed, in which case the software settings will not help, and you will need the intervention of a specialist.
Advanced settings through the engineering menu and ADB
For users who are not afraid of complex tools, there are methods of setting up through ADB (Android Debug Bridge), connecting the phone to the computer and installing drivers, you can send commands that change the depth parameters of the audio stream, for example, you can force support for codecs or change the sensitivity of the microphone.
One useful command is to change the volume limit. However, using ADB requires caution. The wrong command can lead to unstable system operation. The example of a command to check current audio settings can look difficult, but there are ready-made scripts created by enthusiasts for specific Redmi models.
adb shell settings put global volume_steps_sco 15
adb shell settings put global volume_steps 25This command (roughly, depending on the Android version) increases the number of volume steps, making the setting smoother and more accurate. Instead of jumping from 10% to 20%, you get a more graduated scale. This is especially useful for nighttime video watching, when even the minimum volume is a lot.
You can also turn off system sounds from the interface through ADB if the standard settings don't give you complete silence. But remember that any manipulation of system files and commands you do is at your own risk. Always back up important data before such experiments.