How to turn on Hi-Fi sound on Xiaomi devices: a complete guide with secrets

Have you bought a Xiaomi smartphone or TV with Hi-Fi audio but don’t know how to activate it? Or perhaps you suspect that your device is capable of more than standard audio? This article will help you understand the intricacies of customizing high-quality sound on Xiaomi equipment – from the budget Redmi to the flagship Mi and POCO.

Many users don’t even know that their gadgets support Hi-Fi audio, because the feature is often hidden in the depths of the menu or requires additional manipulation.We will not only show you where to look for the right settings, but also explain why sometimes the sound is not turned on, which models support this technology, and how to circumvent restrictions if your device is not officially included in the list of compatible.

It's important to understand that Hi-Fi on Xiaomi is not just a marketing ploy; it's about real audio improvement with hardware support for high-end headphones, extended range and reduced distortion, but to make it work, you need to set up the system correctly. Let's start with the basics!

Which Xiaomi devices support Hi-Fi sound?

Not all Xiaomi gadgets are equipped with Hi-Fi chips, but here are the key models where the feature is officially available:

• 📱 Smartphones: Xiaomi Mi 10/11/12 (series Pro/Ultra), POCO F3/F4/F5, Redmi K40/K50/K60, Black Shark 4/5
• 📺 TVs: Mi TV Q2/Q1E, Redmi Smart TV X (models with 2021 year-end)
• 🎧 Accessories: headphones Xiaomi Hi-Fi Pro, FlipBuds Pro, some SoundPEATS models (compatible with Mi Hi-Fi)

If your model isn't on the list, it doesn't mean Hi-Fi isn't possible! Some devices (like the Redmi Note 11 Pro+) have hidden support that is activated via an engineering menu or custom firmware, which we'll talk about later.

How do you check if your smartphone has a Hi-Fi chip? Go to Settings → About Phone → Full Specification. If the Audio section mentions Hi-Fi DAC, ES9018K2M or AK4377, congratulations, your device supports the technology!

Where to look for Hi-Fi settings on Xiaomi smartphones?

In most modern smartphones Xiaomi MIUI 12/13/14 the path to Hi-Fi settings looks like this:

1. Open the Settings. → Sound and vibration.
2. Scroll down to the Sound Quality or Additional Settings section.
3. Find Hi-Fi or High-quality audio.
4. Activate the switch and select the type of connected headphones (if required).

On some models (e.g. POCO F3) the path may differ:

Settings → System applications → Music → Sound settings → Hi-Fi

If Hi-Fi is not on the menu, it doesn't always mean that there's no support. It's probably hidden.

• 🔍 Update. MIUI Up to the latest version (sometimes the settings appear after the update).
• 🔧 Try connecting wired headphones with a resistance of 32 ohms and higher – on some devices, Hi-Fi is activated automatically.
• 🛠️ Use the engineering menu (we will talk about it in the next section).

Engineering menu: how to turn on Hi-Fi on unofficially supported models

If your smartphone isn’t on the official list, but you’re sure it has a Hi-Fi chip, you can try activating the feature via an engineering menu, which works on the Redmi Note 10 Pro, POCO X3 Pro, and some other Snapdragon 7xx/8xx processors.

Instructions:

1. Open the Phone app and enter the combination: ##36446337## This will open the Audio Testing Mode.
2. Go to Headset Mode or Headphone Mode.
3. Find Hi-Fi, DAC Mode or Audio Enhancement options and activate them.
4. Save the settings and restart the device.

⚠️ Warning: Not all of the options on the engineering menu are safe. Changing the Impedance or Gain values without understanding can damage your headphones or make your sound worse. If you're not sure, don't change anything but the Hi-Fi Enable checkbox.

If the engineering menu doesn’t open, try the alternative code:

#4636### → Testing → Audio

Some firmware (HyperOS, custom ROM) may have different paths, so if nothing works, check if your carrier has blocked access to the engineering menu.

Hi-Fi on Xiaomi TVs: features of the settings

On Xiaomi TVs (Mi TV Q series, Redmi Smart TV X) Hi-Fi sound is tuned differently than on smartphones, here the feature is most often associated with support for Dolby Atmos, DTS:X formats and a hardware decoder.

To activate the improved audio:

1. Go to Settings → Sound → Sound modes.
2. Choose Cinema, Music or Hi-Fi (depending on the model).
3. Activate Dolby Audio or DTS Virtual:X if these options are available.
4. For external sound systems (soundbar, AV-Select the receiver HDMI ARC Optical Output and set the format PCM Bitstream.

On Xiaomi TVs with Android TV 11/12, equalizer setting is also available:

Settings → Device → Sound → Sound settings → Equalizer

If the sound after turning on Hi-Fi became quieter or there were distortions, check:

• 🔊 Connecting headphones/columns (use support cables) 24-bit/96kHz).
• 📶 Signal Source (Netflix, YouTube support Dolby Digital Plus, and local files may require you to use the same file). DTS).
• 🔧 In-app audio settings (e.g. in Kodi or VLC You need to manually select the audio track).

Xiaomi’s Hi-Fi Issues: Why the Sound Is Not Turning On

Even if your device supports Hi-Fi, you may run into problems, and here are the most common reasons and solutions:

Problems are especially common on POCO and Redmi with custom firmware. If you're using LineageOS, Pixel Experience or other ROMs, check if Hi-Fi is enabled in the kernel.

1. Install the Kernel Adiutor or FrancoKernel app.
2. Check the Sound Control section.
3. Activate High-End Audio or Hi-Fi Mode.

⚠️ Note: On some firmware, forced Hi-Fi on through an engineering menu or modified cores can lead to overheating of the processor or rapid battery discharge. If after activation the device began to warm up strongly - turn off the function and return the settings to the factory.

How to improve the sound of Hi-Fi on Xiaomi: secrets and life hacks

Turning on Hi-Fi is only half the battle, and to make the sound really good, use these tips:

• 🎵 Use high-omnipotent headphones (from 64 ohms): Beyerdynamic DT 770 Pro, Sennheiser HD 560S Xiaomi Hybrid Pro HD.
• 📀 Listen to music in formats FLAC, DSD or MQA (Appendices: Tidal, Qobuz, Poweramp).
• 🔧 Set up the equalizer: in MIUI It's hidden in Settings. → Sound. → Equalizer or in the Music app.
• 🔋 Turn off the bluetuse and use a wired connection – it gives better quality than the one you use. AAC or.

For real audiophiles: some Xiaomi smartphones (such as Mi 11 Ultra) can activate LDAC codec for wireless audio transmission in a quality close to Hi-Fi.

1. Turn on Developer Mode (7 times click on the MIUI version in About Phone).
2. Go to Settings. → Additionally. → For developers.
3. Find the Bluetooth Codec and select LDAC.
4. Connect compatible headphones (such as Sony WH-1000XM5).

If you listen to music via Bluetooth but want the best quality, try it. USB-C headphones DAC (Like iBasso. DC05 Or DragonFly Red. They're connected through OTG-adapter, and in settings MIUI choose USB Audio as a source of sound.

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To check if Hi-Fi is working, use test tracks from AudioCheck.net (e.g., files to check the frequency range of 20-20000 Hz).

Alternative ways to get Hi-Fi sound on Xiaomi

If your device doesn't support Hi-Fi at the hardware level, don't despair! There are several ways to improve sound software:

1. Annexes-erQUALeiser: 🎛️ Wavelet (with support) ViPER4Android). 🎛️ Poweramp Equalizer (works with all headphones). 🎛️ JamesDSP (for advanced users).

External DACs:

Apple USB-C to 3.5mm

Xiaomi USB-C DAC

Castom firmware:

LineageOS

crDroid

Hi-Fi

MIUI

For Xiaomi TVs without Hi-Fi, you can use:

• 📦 External sound card (e.g. Creative Sound Blaster) X4 through HDMI ARC).
• 🔊 Dolby Digital Soundbar (e.g. Xiaomi Mi Soundbar).
• 🎵 The prefix NVIDIA Shield TV Apple TV 4K hardware-decoding DTS:X.

⚠️ Attention: When using external DAC If the sound starts to "break" or disappears, try to turn off Hi-Fi in the device settings or update the firmware. DAC.

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The best Hi-Fi quality on Xiaomi comes from a combination of three factors: hardware support (DAC), high-end headphones and uncompressed audio files.

FAQ: Frequent questions about Hi-Fi on Xiaomi