How to enable stereo speakers on Xiaomi Redmi Note 8 Pro: from software tricks to hardware improvements

Xiaomi Redmi Note 8 Pro

Mediatek Helio G90T

monophonic

5 Proven Methods

Many users mistakenly believe that the stereo effect is enough to enable the option in the audio settings, but the Redmi Note 8 Pro does not have such a feature by default. The reason lies in the hardware limitations: the top speaker is optimized for voice frequencies (300-3400 Hz) and physically can not play bass. However, with software workarounds and minor improvements, you can achieve pseudostereo or even full channel separation. It is important to understand that no method will turn your smartphone into an LG V60 with quadrophonic sound, but the difference between mono and stereo will be noticeable even on the cheap.

Before you start the modifications, check the current version of MIUI in the Settings menu → About Phone → MIUI version. Some methods only work on firmware older than MIUI 12.5, and rooting will require unlocking the bootloader. If you are a beginner, start with the software methods (sections 2–3), experienced users can immediately move on to hardware improvements (section 5).

Activation of stereo sound through the engineering menu (without root)

The fastest way to get both speakers to work at the same time is to use Mediatek’s hidden engineering menu, which does not require superuser rights, but is valid until the device is first rebooted.

Open the phone application and enter the combination:

##36446337##

After that, you will be taken to the EngineerMode menu.

Hardware Testing → Audio → LoudSpeaker Mode

Here you need to change two parameters:

• 🔊 Speaker Mode: Select Stereo (Normal is the default).
• 🎵 LoudSpeaker Gain: Set the 6 (this equalizes the volume of the top and bottom speakers).

Save the settings and test the sound in YouTube or music player. Note that the top speaker will only play high and medium frequencies, and the bottom speaker will play full range. The stereo effect is achieved by splitting frequencies, not channels (left/right).

⚠️ Note: After the smartphone reboot, the engineering menu settings will reset. To make the changes permanent, you will need to edit the system files (section 4). Also, do not increase the LoudSpeaker Gain above 6 - this can lead to distortion of the sound.

2. Virtual stereo applications (without root)

If the engineering menu didn't work, try the specialized apps from Google Play, which don't activate physical stereo, but create surround sound by processing the audio stream.

Top.-3 Proven applications for Redmi Note 8 Pro:

• 🎧 ViPER4Android FX — Powerful equalizer with virtual surround support. Requires driver installation via Magisk (instruction in section 4).
• 🔊 SoundAssistant – a utility from Samsung that is compatible with MIUI. Allows you to separate the sound by speaker manually.
• 🎛️ Wavelet is an open equalizer with Stereo Widening preset that expands the sound scene.

To set up SoundAssistant:

1. Download APK from APKMirror (version 2.1.05 or later).
2. Enable the option Separate Applications in the application settings.
3. Select Music or YouTube and activate the Double Speaker.

The effect will be less noticeable than with hardware modification, but without the risk of damaging the smartphone. The main disadvantage is that the applications work only with selected programs (for example, they will not affect the sound in games).

💡

In Wavelet settings, enable the Auto EQ option for your headphone model – this will improve channel separation even on monodynamics.

Modification of firmware (requires unlocking the bootloader)

To turn on stereo sound permanently, you'll need to edit system files, which requires an unlocked bootloader and a customized Recovery (like TWRP) if you've never flashed a smartphone, you'd better skip this section or consult a specialist.

Step-by-step:

1. Unlock the bootloader through the official Xiaomi tool (you need a Mi Account tied to the phone).
2. Install TWRP for Redmi Note 8 Pro (version 3.5.2 or later).
3. Download the Stereo Speaker Mod archive for begonia (the codename of your model).
4. Please. ZIP-file-through TWRP (section).

After the reboot, both speakers will work in stereo mode, and the archive usually has additional settings:

• 🔧 Adjustment of the balance between dynamics (/system/vendor/etc/mixer_paths.xml).
• 🎚️ Separate equalizer for the top speaker.
• 🔇 Ability to turn off the top speaker for calls.

⚠️ Warning: Incorrect firmware can lead to a blink (completely inoperable) of the device. TWRP (If your mobile network is lost after firmware, return the standard modem.img.

Make a data backup|Check the battery charge (>50%)|Download the correct version TWRP|Disable antivirus on PC|Prepare. OTG-repair-line-->

Installation of ViPER4Android with Magisk (root)

If you've already got root rights, the most effective way to improve sound is to install ViPER4Android through Magisk, which allows you not only to activate pseudostereo, but also fine-tune the sound to specific headphones or speakers.

Instructions:

1. Install Magisk Manager and upgrade to the latest version.
2. Download the ViPER4Android FX module (version for Android 9-12).
3. Install ZIP through Magisk (Modules → Install from Storage).
4. Restart your phone and open the ViPER4Android app.

To adjust the stereo effect:

• 🎛️ Turn on the Viper. DDC Select a Stereo Surround profile.
• 🔊 In Speaker Optimization, activate the Dual Speaker Mode.
• 📊 Adjust the balance between speakers in Channel Pan (recommended value: L: 30% / R: 70%).

ViPER4Android conflicts with some versions of MIUI 13+ due to SELinux policy.If the sound is lost after installation, try turning off the Audio Compatibility Mode option in the module settings.

5. Hardware modification: replacement of the upper speaker

If you're not satisfied with software, the last thing you can do is to replace the top speaker with a full-blown broadband speaker, which requires disassembling the phone and soldering, so we recommend it only to advanced users.

What will be required:

• 🔧 New speaker: fit module from Redmi Note 9 Pro (article) MDY-11-EG) or universal speaker with impedance 8 ohms.
• 🔥 A soldering iron with a thin sting (power not more than 30 W).
• 🧲 Setting screwdrivers T3–T5 and plastic blades for parsing.
• 🎚️ Multimeter for checking contacts.

Step-by-step process:

1. Unplug the back cover of the smartphone, heating it with a hair dryer (temperature not higher than 80 ° C).
2. Disconnect the battery plume and remove it.
3. Find the top speaker (located next to the headphone jack).
4. Seal off the old speaker and solder the new one while observing the polarity (+ and -).
5. Check the resistance of the contacts with a multimeter (should be ~8 ohms).
6. Put the phone back together.

After changing the speaker, you will still need software setup (sections 1 or 3), as by default. MIUI It does not recognize the new module as stereo. ViPER4Android better result.

⚠️ Warning: Replacing the speaker will void Xiaomi's warranty. If you're unsure of your soldering skills, contact the service center. Also note that a low-quality speaker can quickly fail due to overheating (especially at high volume).

6.Alternative solutions: Bluetooth and external devices

If you do not want to modify the smartphone, consider external devices for stereo sound:

• 🎧 Bluetooth headphones with support for aptX LL (Low latency. Connected through settings → Bluetooth.
• 🔊 Portable channel-separation columns (e.g, JBL Charge 5).
• 🎛️ USB-C 3.5 mm audio output hubs (e.g, UGREEN CM199).
• 📱 Beamforming microphones for calls (e.g. Xiaomi AIoT Router) AX3600 with the Mi Smart Speaker function).

To connect an external DAC (e.g. iBasso DC05) via USB-C:

1. Enable USB debugging in Settings → For developers.
2. Connect the DAC through OTG-cable.
3. In the USB Audio Player PRO app, select an external device as the sound source.

These solutions will provide better stereo than any software modifications, but will require additional investment, for example, a good Bluetooth transmitter (for example, Creative BT-W5) will cost 3-5 thousand rubles, but will provide a true stereo without loss of quality.

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For music and movies, the best option is an external DAC or Bluetooth headphones with LDAC. The built-in Redmi Note 8 Pro speakers are physically incapable of high-quality stereo due to frequency restrictions.

FAQ: Frequent questions about stereo sound on the Redmi Note 8 Pro