Xiaomi 9 is a popular smartphone that is still actively used thanks to powerful hardware and support for updates. However, many users have difficulties with connecting headphones: the sound is lost, the device is not detected, Bluetooth is glitchy. In this article, we will analyze all possible ways of connecting - from classic wired headphones to modern ones. TWS-We also solve typical problems and.
It’s important to understand that the Xiaomi 9 doesn’t have a standard 3.5mm audio jack (unlike earlier models in the series), so wired headphones will require an adapter. Wireless headphones connect via Bluetooth, but there are nuances here too — especially if we’re talking about branded Xiaomi or Redmi devices. We’ll look at each case separately, with step-by-step instructions and troubleshooting tips.
1. Connect wired headphones via USB-C adapter → 3.5mm
Xiaomi 9 is equipped with a USB Type-C connector, so to connect classic headphones with a 3.5 mm plug, you will need an adapter. The official adapter from Xiaomi will cost 300-500 rubles, but third-party analogues will also work (for example, from Baseus or UGREEN). The main thing is to make sure that the adapter supports a digital-to-analog converter (DAC), otherwise the sound will be of poor quality.
How to connect:
- 🔌 Insert the adapter in the port USB-C smartphone.
- 🎧 Connect the headphones to the adapter.
- 🔊 You'll see a notification on the screen about the connected audio device, and if there's no sound, check the volume level or restart the phone.
If the adapter is not recognized:
- 🔄 Try another adapter (possibly incompatible with Xiaomi 9).
- 📱 Check the port. USB-C for dust or damage.
- 🔧 Update your smartphone firmware to the latest version (sometimes audio bugs are patched).
⚠️ Attention: Cheap adapters without DACs can cause noise or distortion of sound. For quality music playback, it is better to use adapters with support for Hi-Res Audio.
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If the sound in the headphones is too quiet, try turning off the Absolute Volume function in the developer settings (Settings → About Phone → MIUI version – tap 7 times, then go back to Additional → Developer Settings).
2. Connecting wireless headphones via Bluetooth
Wireless headphones (including AirDots, Redmi Buds, and others) TWS-Models) connect to Xiaomi 9 via Bluetooth 5.0. The process is usually automatic, but sometimes manual adjustment is required.
Standard connection:
- 📱 Activate Bluetooth on your smartphone: Settings → Connections → Bluetooth.
- 🎧 Turn the headphones on in pairing mode (usually hold the power button for 3-5 seconds until the indicator starts flashing quickly).
- 🔍 In the list of available devices, select the name of your headphones and confirm the connection.
If the headphones are not displayed:
- 🔄 Reboot both the headphones and the smartphone.
- 📌 Make sure the headphones are charged (at low charge, they may not be in pairing mode).
- 📱 Check if the headphones are connected to another device (for example, a laptop or tablet).
| Problem. | Possible cause | Decision |
|---|---|---|
| The headphones are plugged in, but there's no sound. | Incorrectly selected source of sound | In the notification panel, tap on the headphone icon and select them as the output device. |
| The sound is interrupted or "breaks" | Interference from other Bluetooth devices | Turn off unnecessary devices or move closer to your smartphone |
| The headphones will go off in a few minutes. | Active energy saving function | Turn off the Adaptive Battery in the settings (Settings → Battery → Energy Saving) |
3. Connecting branded headphones Xiaomi (AirDots, Buds, etc.)
Xiaomi’s branded headphones (such as Mi True Wireless Earbuds or Redmi AirDots) have a feature: they are optimized for the MIUI ecosystem and can offer additional features (such as low latency in games or automatic connection).
How to connect branded headphones:
- 🎧 Remove the headphones from the case and hold the button on the case for 5-10 seconds until the indicator starts flashing white and red (pairing mode).
- 📱 On your smartphone, turn on Bluetooth and wait for the device to appear in the list (the name will be, for example, Mi True Wireless Earbuds Basic 2).
- 🔗 Tap the headphone name and confirm the connection. After successful pairing, notifications will show a connection message.
If the headphones are not connected:
- 📌 Check that the latest version is installed on the smartphone MIUI (In older versions, there may be Bluetooth bugs).
- 🔧 Reset the headphone settings: to do this, hold the button on the case for 15-20 seconds until the indicator goes out and again blinks.
- 📱 Remove the headphones from the list of conjugate devices and try to connect again.
How to turn on low-latency (Game Mode) for Xiaomi headphones?
4. Connect headphones via LDAC (for high sound quality)
If you use audiophile headphones (such as Sony WH-1000XM4 or Sennheiser Momentum), you can activate LDAC or aptX codecs for maximum sound quality. By default, the Xiaomi 9 uses a standard SBC, which does not reveal the full potential of premium headphones.
How to turn on LDAC:
- 📱 Connect your headphones to Bluetooth.
- 🔧 Go to Settings. → Connections → Bluetooth.
- 🎵 Slip on the gear icon next to the connected headphones.
- 🔘 Choose Sound Quality → LDAC (If there is no option, the headphones do not support this codec).
Advantages of LDAC:
- 🎶 Sound transmission up to 990 kbit / s (vs. 328 kbit / s y) SBC).
- 🎧 Wide dynamic range and detail.
- 🔊 Support for high frequencies up to 40 kHz.
⚠️ Attention: When in use LDAC You can increase the battery consumption of your headphones and your smartphone. If you notice a quick discharge, switch to aptX or AAC.
5. Solving problems with connecting headphones
Even after a successful headphone connection, there can be problems ranging from no sound to permanent disconnection, and we'll look at the most common problems and their solutions.
Problem 1: The headphones are connected, but the sound is going through the phone speaker.
- 🔊 Check that the notification panel as the output device selected headphones, not speaker or speaker.
- 📱 Reboot your smartphone – sometimes the system “forgets” to switch the audio route.
- 🔧 Reset the sound settings: Settings → Sound. → Resetting the sound settings.
Problem 2: Wireless headphones are constantly turned off.
- 📶 Check if there is interference from other devices (Wi-Fi routers, microwaves).
- 🔋 Make sure the headphones are charged (at a charge level below 10%, breaks may occur).
- 📱 Turn off the Adaptive Battery function in the energy saving settings.
Problem 3: You can hear noise or cracking in wired headphones.
- 🔌 Try another adapter. USB-C → 3.5 mm (possibly current damaged).
- 🎵 Turn off all sound effects in the settings (Settings) → Sound. → Sound effects).
- 📱 Check if the connector is contaminated. USB-C — Clean it carefully with a wooden toothpick.
Check the headphone charge.|Reboot your smartphone and headphones|Remove the device from the list of conjugates and connect again|Update the firmware MIUI last-minute-->
6. Alternative ways to connect headphones
If the standard methods don’t work or you want to experiment, there are a few alternative ways to connect headphones to the Xiaomi 9.
1. Connection through USB-C-headphones (without adapter).
Some headphones (such as the Xiaomi Type-C Earphones or Google Pixel USB-C Earbuds) connect directly to a USB-C port without an adapter. They usually have a built-in DAC and provide good sound quality. However, these headphones are less versatile — they can not be used with devices that do not have USB-C.
2.Use of Bluetooth transmitter for wired headphones.
If you have your favorite wired headphones, but the USB-C → 3.5mm adapter is uncomfortable, you can buy a Bluetooth transmitter (like the Avantek BTA-200 or 1Mii B06 Plus). It connects to the headphones through 3.5mm and to the phone via Bluetooth. This solution is suitable for home use, but inconvenient for the street because of the additional device.
3. Connection through AUX-dock-line.
If you use the Xiaomi 9 with a docking station (for example, to charge and connect the peripherals), you can output the sound through the docking station. AUX-Docking station exit:
- Connect your smartphone to the docking station.
- Connect the dock to the headphones via a 3.5mm cable.
- In the audio settings, select the docking station as the output device.
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If you use headphones with Xiaomi 9 a lot, consider buying wireless. TWS-headset with support for aptX or LDAC — This will eliminate problems with adapters and provide better sound quality.
7. Sound optimization after connecting headphones
Once the headphones are successfully connected, you can improve your sound with built-in MIUI tools or third-party apps.
1. Equalizer adjustment.
Xiaomi 9 has a built-in equalizer that allows you to customize the sound to your preferences:
- Go to Settings → Sound → Equalizer.
- Select a preset profile (Rock, Pop, Classic) or create your own.
- Adjust sliders for low, medium and high frequencies.
2.Use of applications to improve sound.
If the built-in settings are not enough, you can install third-party applications:
- 🎵 Wavelet (with support) LDAC and a customizable equalizer).
- 🔊 Poweramp (player with advanced audio settings).
- 🎧 ViPER4Android (requires root rights, but offers maximum customization of sound).
3. disabling unnecessary effects.
Some effects (such as Mi Sound Enhancer) can distort sound to turn them off:
- Go to Settings → Sound → Sound Effects.
- Turn off all unnecessary options (e.g., Bass Enhancement or 3D-sound).