How to connect 2 headphones to Xiaomi Redmi Note over Bluetooth: all ways

Introduction: Why connect two headphones to one smartphone

Many Xiaomi Redmi Note users are faced with a situation where they want to listen to music or watch a movie with a friend, but only one smartphone is on hand. Standard Bluetooth in most phones allows you to connect only one pair of headphones at a time. However, there are hidden features in MIUI firmware that allow you to circumvent this limitation.

In this article, we’ll look at all the working ways to connect two wireless headphones to the Xiaomi Redmi Note at once, from official features to workarounds using third-party apps. It’s important to understand that not all models support this feature out of the box, but even in these cases, there are solutions.

Dual Audio Official Function in MIUI: How to Enable

Since MIUI 12, some Xiaomi Redmi Note models have built-in Dual Audio, which allows you to connect two Bluetooth devices at once, but it does not work on all smartphones and requires the right setup.

To check its presence, go to Settings. → Connections and sharing → Bluetooth. If there's an icon in the top right corner ⋮ (three dots), click on it and look for Dual Audio or Double Audio Out. 10/11/12 This option is more common than on older models.

• 🔍 Check the version. MIUI: function MIUI 12.5 and later, but may not be available on budget models.
• 📱 Update your firmware: If there is no feature, try updating through Settings → The phone. → Updating the system.
• 🔄 Reset Bluetooth Settings: Sometimes Resetting in Settings Helps → Annexes → Application management → ⋮ → Resetting settings.

⚠️ Attention: On the Redmi Note 8/9 Dual Audio may not be available even after the upgrade, and alternative methods may be required.

Connection through Developer Modes (for experienced users)

If there is no built-in feature, you can try activating hidden Bluetooth settings through developer mode, a method that works on most Xiaomi smartphones, but requires caution.

First, turn on the developer mode:

1. Go to Settings. → The phone.
2. Click 7 times on the MIUI version (you will be notified "You became a developer").
3. Back to Settings → Additionally. → For developers.

Next, find the parameters:

Enable Bluetooth A2DP (Advanced Profile)


Max. connected audio devices: 2

If there are no such items, then your model does not support this function at the software level.

Enable the developer mode (7 taps according to MIUI)

Find the section "For developers" in the settings

Activate the option "Bluetooth A2DP" (if any)

Set the maximum number of connected devices on "2"

Reboot the phone-->

⚠️ Note: Not all Xiaomi firmware allows you to change the number of connected Bluetooth devices through developer mode. 8T s MIUI 11 This method often doesn’t work.

Using third-party applications to duplicate sound

If none of the previous methods worked, third-party apps will come to the rescue.

• 🎧 SoundAssistant (from Samsung, but it works for Xiaomi) – allows you to direct sound to two devices.
• 🔊 Bluetooth Dual Audio – a specialized application for dubbing audio stream.
• 📱 Bose Connect (Bose headphones only) – supports the connection of two pairs of headphones of this brand.

Example of settings through SoundAssistant:

1. Download the app from Google Play.
2. Connect both headphones via standard Bluetooth.
3. Open SoundAssistant, go to Media → Dual Audio.
4. Select both connected devices and activate duplication.

💡

Before using third-party apps, disable battery optimization for them in Settings → Apps → Permissions → Battery Optimization. This will reduce the likelihood of a connection breakage.

Connection via Bluetooth transmitter (hardware method)

If the software methods did not help, you can use an external Bluetooth transmitter with Dual Link support. For example, Avantek or 1Mii adapters allow you to connect two headphones to the same source.

How it works:

1. Connect the transmitter to the Xiaomi Redmi Note via a 3.5mm audio jack or USB-C (depending on the adapter model).
2. Activate Dual Link mode on the transmitter (usually with a button or in a mobile app).
3. Connect both headphones directly to the transmitter.

• ⚡ Pros: works on any Redmi Note models, regardless of version MIUI.
• ⚠️ Cons: additional costs (from 1500) ₽), Possible sound delays.

Problems and Solutions: What to Do When the Sound is Interrupted or Not Synchronized

When connecting two headphones, typical problems often arise:

• 🔊 The sound is only going to one device. → Check if the duplicate function is activated in the settings or application.
• 🎵 Rassynchronous sound → Try using headphones with aptX support or AAC.
• 🔋 Fast battery discharge → Turn off unused Bluetooth devices in the background.

If the sound is interrupted, try:

1. Reconnect the headphones (forget the device and pair again).
2. Turn off Absolute Volume in Bluetooth settings (if any).
3. Reduce the distance between the phone and headphones (walls and interference impair communication).

💡

On the Redmi Note 10 Pro and later, problems with sound synchronization are less common due to the improved Bluetooth module (version 5.1 and higher).

Comparison of methods: what way to choose

The choice of method depends on the model of your Xiaomi Redmi Note and tasks:

• 📲 MIUI 12.5+ Dual Audio → The easiest and most reliable way to do this is if the function is supported.
• 🛠️ Developer mode → It is suitable for experienced users but does not guarantee results.
• 📱 Party of annex → Universally, but may inhibit or break the connection.
• 🔌 Bluetooth transmitter → 100% performance, but requires the purchase of a device.

FAQ: Frequent questions about connecting two headphones