How to amplify the sound on Xiaomi Redmi Note 8: from settings to engineering menu

Xiaomi Redmi Note 8 is one of the most popular smartphones in the budget segment, but many users face the problem of quiet sound, especially when listening to music through a speaker, talking on speakerphone or watching videos without headphones. In this article, we will analyze all possible ways to increase the volume, from standard settings to hidden functions and third-party utilities.

It's important to understand that the Redmi Note 8's volume limits are not just set by the manufacturer: too high a sound level can damage the speakers or make the playback worse. However, if you're sure your phone can do more, follow our recommendations. We'll also show you how to avoid the typical errors that lead to audio distortion or device failure.

1. Checking basic sound settings

Before you resort to radical methods, make sure that the problem is not the elementary settings.There are several options on the Redmi Note 8 that can artificially limit volume.

Open the Settings β†’ Sound and vibration and check:

  • πŸ”Š Media volume - the slider should be at its maximum, sometimes it gets knocked down after connecting the headphones or updating the system.
  • 🎡 Equator – activate it and select the Bass or Rock preset to amplify the low frequencies that are often β€œlost” on the built-in speakers.
  • πŸ”” Do not disturb – make sure the mode is turned off or configured to allow sound notifications.
  • πŸ“± Adaptive sound β€” this feature automatically adjusts the volume to the surrounding noise, and turn it off if you notice unstable work.

Also worth checking is the physical condition of the speakers. A clogged grille or moisture can significantly reduce the volume. Carefully clean the holes with a soft brush (such as a toothbrush) or compressed air. Do not use sharp objects - this can damage the speaker's membrane.

πŸ“Š How often do you have problems with sound on your smartphone?
Constantly.
Sometimes.
Nearby
Never.

2.Use of the engineering menu to amplify the sound

The engineering menu on Xiaomi allows you to manually increase the volume above standard limits, but requires caution - incorrect settings can lead to distortion of the sound or damage to the speakers.

To get into the engineering menu:

  1. Open the Phone app.
  2. Enter the combination: ##36446337## (the code may not work on some versions of MIUI - alternative below).
  3. If the first code didn’t work, try ##4636##, then go to the Hardware testing β†’ Audio tab.

In the engineering menu you are interested in the following parameters:

  • πŸ”§ Speaker Mode – Select Normal Mode (If Headset Mode is the best option, the sound will be quieter).
  • πŸ“ˆ Max Vol – here you can increase the maximum values for: Media (music, video), Ring (calls) Sip (VoIP-calls)

Do not increase the volume by more than 5-10% of the standard maximum.

Check the sound after each change.

Do not change the microphone settings (this can worsen the quality of calls)

Take screenshots of the initial settings-->

⚠️ Warning: If the engineered menu changes to start wheezing or distorting, return the standard settings immediately. Prolonged playback of the distorted sound at high volume can physically damage the speakers.

3. Third-party applications for sound amplification

If standard methods don't work, you can use specialized utilities, and they work in different ways: some amplify the sound programmatically, others optimize the frequency range for better perception.

Top.-3 Proven applications for Redmi Note 8:

AnnexHow it worksPlusesCons
Volume BoosterIncreases volume by changing system constraintsSimple interface, works without rootIt can cause distortion at maximum volume.
Equalizer FX10-band equalizer with presetsFine sound tuning, support for custom presetsRequires manual adjustment for optimal results
ViPER4AndroidAdvanced sound processing with effects and amplifierMaximum customization, supports surround soundHard to set up, requires Magisk to work properly

To install ViPER4Android on Redmi Note 8 without root rights:

  1. Download APK from the official website (version for non-root devices).
  2. Install the application and open it.
  3. Turn on the FX audio handler in the settings.
  4. Select Clear Bass+ or XBass to amplify low frequencies.

πŸ’‘

Before installing third-party equalizers, disable the built-in MIUI equalizer in Settings β†’ Sound β†’ Equalizer to avoid conflicts.

4.Sound optimization via Hidden Settings MIUI

MIUI has hidden settings that allow you to fine-tune the sound, and you need to activate Developer Mode to access them:

  1. Go to Settings. β†’ The phone.
  2. Click on the MIUI version 7 times until the notification β€œYou became a developer” appears.
  3. Go back to the basic settings and open Additional β†’ for developers.
  4. Find the USB Debugging option and activate it (this will unlock additional options).

You can now use the MIUI Hidden Settings app (available on Google Play) which gives you access to:

  • πŸŽ›οΈ Advanced equalizer settings - here you can adjust the frequencies in 1 Hz increments.
  • πŸ”Š Amplifiing audio for individual apps – for example, making YouTube louder than system notifications.
  • πŸ“± Setting up stereo balance is helpful if one speaker sounds quieter than the other.

⚠️ Warning: Changes to hidden settings can cause system instability. If after editing the phone starts to slow down or reboot, reset the sound settings to standard through Settings β†’ System system β†’ Resetting settings (select "Resetting sound settings").

5. Hardware methods of amplifying sound

If the software doesn't work, the problem may be in the hardware.

1. Verification of speaker connection

The Redmi Note 8 most often fails the lower speaker (which is responsible for low frequencies).

  • 🎧 Connect the headphones and compare the volume in them and through the speakers.
  • πŸ”‡ Try to play the sound through the upper speaker (conversational), covering the lower finger - if the sound has become cleaner, the problem is in the lower speaker.

2. Cleaning contacts

If the speakers start to sound quieter after falling or getting moisture, the cause may be oxidation of the contacts.

  1. Turn off the phone and remove it. SIM-map.
  2. Carefully remove the back cover (requires a mediator and heat with a hairdryer).
  3. Clean the contacts of the speakers with alcohol or a special liquid for electronics.
  4. Check the integrity of the plumes – they should not be torn or deviated from the board.
What to do if the speaker is wheezing?
Wheezing is a sign of mechanical damage to the membrane or foreign particles, in which case only a replacement speaker will help. The average cost of repairs in the service center is 800-1500 rubles (2026), Self-replacement is possible, but requires soldering skills: speakers on the Redmi Note 8 soldered to the board, not connected through a connector.

3. Use of an external amplifier

If you want a really loud sound (for example, for street events), consider buying a portable Bluetooth amplifier.

  • πŸ”Š Tronsmart Element T6 Plus – 40 watts power, support Xiaomi via Bluetooth 5.0.
  • 🎡 Anker Soundcore Motion Boom – waterproof, with bass up to 80Hz.
  • πŸ“± Xiaomi Mi Portable Bluetooth Speaker – budget version with good compatibility.

6. Update firmware and reset settings

Sometimes the problem of quiet sound is related to software bugs. Xiaomi regularly releases updates that correct such errors.

  1. Go to Settings β†’ About the phone β†’ System update.
  2. Click Check for updates.
  3. If a new version is available, download and install it.

If the update didn’t help, try resetting the sound settings to factory:

  1. Open Settings β†’ System β†’ Resetting settings.
  2. Select Resetting Sound Settings (not to be confused with a full reset!).
  3. Confirm the action and restart the phone.

It’s also worth checking if the phone has energy-saving apps that can limit performance, including sound, such as Greenify or AccuBattery, which can turn down the volume aggressively to save charge.

πŸ’‘

Before resetting the sound settings, write down the current equalizer parameters - after resetting, they will return to standard values.

7. Alternative methods: headphones and Bluetooth devices

If the built-in speakers fail, consider alternative audio output options:

1.Wired headphones with amplifier

Even inexpensive headphones with impedances up to 32 ohms will sound louder than the built-in speakers. For best results, choose a model with:

  • 🎧 Closed design (for example, Xiaomi Hybrid Pro) HD) β€” They are better at insulating from external noise.
  • πŸ”Š Built-in microphone – this will allow you to use them for calls.
  • πŸ”‹ Active noise cancellation (ANC) β€” If you want to have a clean sound in noisy places.

2. Bluetooth headphones and speakers

Modern. TWS-Headphones (e.g. Xiaomi AirDots Pro 2 or Redmi Buds 3 Pro) support codecs AAC And, which provide louder and clearer sound than the built-in speakers:

  • πŸ“± Make sure that Bluetooth settings include High-quality sound.
  • πŸ”Š In the sound settings, select a profile A2DP (He's responsible for transmitting music).

3. FM-transmitter

If you need to amplify the sound to listen in the car or through old acoustics, you can use the sound. FM-transmitter (e.g., Baseus) FM It connects to the Redmi Note 8 via Bluetooth or 3.5mm connector and broadcasts the sound to the Redmi Note 8. FM-frequency that can then be captured on the radio.

FAQ: Frequent questions about the sound on Xiaomi Redmi Note 8

Why is the sound so quieter after the MIUI update?
In newer versions of MIUI, Xiaomi often tightens volume limits to meet European standards (EU Volume Limit).To return to the previous level: Install the old Equalizer app from APK (version 1.4.6.2). Or use the engineering menu (see section 2). If nothing helps, roll back to the previous version of MIUI via Fastboot.
Can I amplify the sound in the calls (microphone and speaker)?
To enhance the sound in calls: In the engineering menu (#36446337##) increase the settings of Voice Call and VoLTE. Use the SoundAbout app to redirect the sound of calls to the main speaker. ⚠️ Increasing the volume of the microphone can lead to an echo in the tube of the interlocutor.
Why is the sound less in games than in music?
This is because games use a separate sound stream (Game), which is limited by default.Solutions: In Game Turbo (the icon in the notification curtain), turn off the audio restriction. Use Volume Booster with a separate setting for games.
How to check if the speaker is damaged?
Run the test: In the engineering menu, select Audio β†’ Speaker Test. Play test sounds at different frequencies (20 Hz – 20 kHz). If there are no audio or distortions on some frequencies, the speaker is faulty. You can also use the Speaker Cleaner app, which plays sounds that help break through clogged speakers.
Is it safe to listen to music at maximum volume?
No, long-term reproduction at maximum results in: πŸ”Š Wear of speakers (membrane loses elasticity). 🎡 Distortion of sound due to amplifier overload. πŸ‘‚ Risk of hearing damage (according to WHO, no more safe) 1 hourly 85 (dB) Optimal level β€” 60-70% high-pitch.