How to increase the sound in headphones on Xiaomi phone: from standard settings to hidden features

You've connected your headphones to a Xiaomi smartphone, but the sound is too quiet, even at maximum volume? This problem is familiar to many owners of Redmi, POCO and Mi devices - especially when using budget models or high-impedance headphones. The reasons may lie in both the software limitations of MIUI and the hardware features of the audio track.

In this article, we will discuss 7 working ways to increase the volume in headphones, from basic audio settings to hidden parameters of the engineering menu and third-party utilities. Importantly, some methods require caution, as they can affect the sound quality or even damage the dynamics of the headphones when over-amplified, we will note all the risks and give recommendations for safe use.

If you are using Xiaomi 12T, Redmi Note 11 or older models like Mi A3 – instructions will be suitable for all versions of MIUI 12-14 (including global and Chinese firmware). For Android One devices (for example, Mi A2), some methods will not be available – we will specify alternatives.

1. Checking basic sound settings

Before you resort to radical measures, make sure that the problem is not in the obvious settings. Often users miss key settings that limit the volume.

Open the Settings → Sound and vibration and check:

• 🔊 Media volume: the slider should be at maximum (sometimes reset after connecting new headphones).
• 🎧 Amplify the sound in headphones: an option is available on some models (for example, POCO F4) In the section Additional sound settings.
• 🚫 Safe sound mode: if turned on, limit volume to 80% (disables in Settings) → Special facilities → Rumor).

It’s also worth checking the physical connection: clean the 3.5mm connector (if any) of dust with a cotton swab dipped in alcohol, or reconnect the Bluetooth headphones by resetting them in the device settings (Settings) → Bluetooth → ⚙️ → Forget this device).

2. Equalizer and sound effects setup

MIUI has a built-in system equalizer that can artificially turn down the volume at certain frequencies, for example, if the basses are too amplified, the overall volume automatically decreases to protect the speakers.

To optimize the sound:

1. Open Settings → Sound and vibration → Equator.
2. Choose a preset called Rock or Pop, which usually give you more volume at medium frequencies.
3. Manually increase sliders by 1-3 kHz (this is the range of human speech and basic tools).
4. Turn off the Adaptive Sound option (if any) – it automatically lowers the volume in noisy conditions.

For models with Dolby Atmos (e.g. Xiaomi 13 Pro):

• 🎛️ Go to Settings. → Sound. → Dolby Atmos.
• 🔇 Select a “Cinema” or “Music” profile – they give you more dynamic range.
• 🚫 Turn off "Scene Intelligence Detection" as it can turn down the volume.

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If your model doesn’t have Dolby Atmos, install the Wavelet app from Google Play – it emulates sound effects and allows you to fine-tune the equalizer.

3.Use of the Engineering Menu (MTK/Qualcomm)

Hidden engineering menu allows you to bypass the limitations of MIUI and increase the volume at the hardware level. Attention: incorrect settings can lead to distortion of the sound or damage to the earphone speakers! Use this method only if other methods have not helped.

Instructions for Qualcomm processors (most modern Xiaomi):

1. Open the Phone app and enter the combination: ##36446337###
2. Go to Hardware Testing → Audio → Headset Mode.
3. Find Max Vol (maximum volume) options for Left and Right channels.
4. Increase your values from 84 to 90-95 (don’t put 100 – this is a risk of distortion!).
5. Save the settings and restart the phone.

For MediaTek processors (e.g. Redmi 9A):

1. Enter the phone app: ##4636##
2. Select Hardware Testing → Audio → Headset.
3. Increase the level to 140-150 (standard value - 128).

4.Applicants for sound amplification

If the system settings are not loud enough, use third-party utilities, which act as intermediaries between the player and the headphones, amplifying the signal programmatically.

Top.-3 tested applications:

How to use the Volume Booster:

1. Download the app from Google Play.
2. Connect the headphones and launch the application.
3. Move the Boost slider 120-150 percent (higher is the risk of distortion!).
4. Turn on the “Apply to all apps” option to make the amplifier work on all players.

✅ Check the headphones at maximum volume without the amplifier (are there any distortions)

✅ Set the volume of media in the system to 80% (to avoid clipping)

✅ Shut down Dolby. Atmos/sound-study

✅ Start with minimal gain (110–120%) and gradually increase-->

5. Update firmware and reset settings

Sometimes the low volume in the headphones is associated with software bugs MIUI. For example, after upgrading to MIUI 14, some users of the POCO X3 Pro complained of a decrease in volume due to an error in the audio driver.

What to do:

• 🔄 Update the firmware: go to Settings → The phone. → Update the system and install the latest version.
• 📲 Reset the sound settings: in Settings → Annexes → Application management → Three points. → Reset settings select "Sound settings".
• 🧹 Clear the cache: in Settings → Memory. → Clear the cache (sometimes helps with audio driver failures).

If the problem has occurred after the update, try to roll back to the previous version of MIUI via Fastboot or Recovery.Instructions for your model can be found on the Xiaomi.eu forum.

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Before resetting the sound settings, write down the current equalizer and Dolby Atmos parameters - after resetting, they will return to factory values.

6. Hardware causes of low volume

If the software methods did not help, the problem may be in the hardware:

• 🔌 3.5mm port: contact oxidation or mechanical damage (check headphones on another device).
• 📱 Audio chip: on some models (for example, Redmi 7) the sound amplifier degrades over time.
• 🎧 Headphones: high-omb models (impedance) > 32 Ohms) require more power than a smartphone can give.

How to diagnose:

1. Connect the headphones to another phone/PC – if the sound is the same quiet, the problem is with them.
2. Try other headphones on your Xiaomi – if the volume is normal, clean the connector or change the cable.
3. Check your Bluetooth headphones in AAC or aptX mode (in Bluetooth settings): some codecs limit volume.

⚠️ Warning: If you turn up the volume through the engineering menu or amplifiers and you see wheezing or cracking, immediately return the settings to the standard values! This is a sign that the audio chip is working at the power limit and may fail.

7. Alternative solutions for advanced users

If you are willing to take drastic measures, consider these options:

1. firmware of the custom core (for example, FrancoKernel):

• 🔧 Allows you to unlock the sound limitations at the core level.
• 📉 Risk: Unstable system operation, loss of warranty.

2.Using an external DAC (e.g. iBasso DC05):

• 🎵 Improves sound quality and increases signal power.
• 💰 Cost: from 2,000 rubles.

3. Modification of the file mixer_paths.xml:

This file contains volume limits for different output devices, so you can change it:

1. Get root rights (for example, through Magisk).

⚠️ Attention: Editing system files without a backup can lead to bootloop (cyclic phone reboot). TWRP Or OrangeFox Recovery.

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For USB-C models (such as the Xiaomi 11T), you can use a USB-C → 3.5mm adapter with an external amplifier, which bypasses the limitations of the built-in audio chip and gives a clean sound.

FAQ: Frequent questions