How to connect the Xiaomi soundbar to a TV, smartphone or computer: all ways

Xiaomi soundbars (Mi TV Soundbar, Redmi Soundbar, Mi Soundbar 3.1) have become a popular solution for improving sound in home theaters. They combine compactness with powerful sound, but many users face difficulties when connecting for the first time. In this article, we will discuss all the current ways to connect a soundbar to a TV, smartphone or PC, from classic HDMI ARC to wireless Bluetooth 5.0, and also solve typical problems like lack of sound or audio delay.

It is important to understand that the method of connection depends not only on the soundbar model (for example, Mi). TV Soundbar 3.1ch Dolby Atmos supports, and the budget Redmi Soundbar does not, but also from the capabilities of your TV or source device. TV s HDMI eARC to older TVs with only RCA-We will also focus on the audio setting for gamers (via the video). HDMI-CEC) Music lovers (via Bluetooth AptX).

1.Preparation for connection: what to check before starting

Before you connect the soundbar to the TV, make sure you have everything you need.

• 🔌 Cables: check the soundbar trim. in a box with Xiaomi Mi TV Soundbar is usually only used HDMI-cable and power cable for other connections (e.g. optical) TOSLINK 3.5 mm AUX) The cables will have to be purchased separately.
• 📺 Ports on TV: Check the back panel TV. Modern models (e.g. Xiaomi) TV A2 2023 or Redmi Smart TV X have HDMI ARC/eARC, budget can only be used for optical output or RCA.
• 🔋 Meals: Xiaomi soundbar doesn’t work from USB-TV port - it needs separate power 220V. Make sure that the socket is close and the cable is not stretched.
• 📱 The remote control: complete with the soundbar comes its own remote control, which you will need to adjust the sound modes (Movie, Music, News) even if you plan to control the volume from the remote control of the TV.

If you connect the soundbar to a PC or laptop, check for Bluetooth 4.2+ (for wireless connection) or a free HDMI/optical port. A USB-C → HDMI adapter may be needed for a MacBook.

⚠️ If your TV is older than 2018, it may not have support HDMI ARC. In this case, when connecting through the usual HDMI The soundbar will not automatically switch with the TV, and you will have to control the volume separately.

2. Connection through HDMI ARC/eARC: Best option for Smart TV

HDMI ARC (Audio Return Channel) is the best way to connect Xiaomi’s soundbar to a modern TV, which transmits high-quality sound (up to Dolby Atmos on models like Mi TV Soundbar 3.1ch) and allows you to control the soundbar volume from the TV remote.

Instructions for connection:

1. Turn off the TV and soundbar from the socket.
2. Connect one end. HDMI-port-wire HDMI ARC on the TV (usually signed), and the other - to the port HDMI ARC soundbar.
3. Put both devices on the network.
4. On the TV remote, press the Source (or Input) button and select HDMI ARC.
5. On the soundbar, press the Source (or Func) button and select HDMI mode.

If there's no sound:

• 🔧 Go to the TV settings: Sound → Sound output → HDMI ARC and turn on this option.
• 🔊 On the soundbar, check that the correct mode is chosen (HDMI, not Bluetooth or AUX).
• 🔄 Reboot both devices (remove the plugs from the socket for 30 seconds).

Enable HDMI-CEC in the settings TV|

Select HDMI ARC as the sound source |

Update the TV firmware (if the sound is interrupted)|

Check the cable for damage.-->

Xiaomi soundbars with eARC support (e.g. Mi TV Soundbar 3.1ch) can transmit uncompressed Dolby TrueHD sound, but for this, the TV must also support eARC (e.g. Xiaomi TV Q2 2023 or higher).

3. Wireless Bluetooth Connection: for Smartphones and Tablets

If you want to use the Xiaomi soundbar to listen to music from a smartphone or tablet, Bluetooth is the most convenient option.All soundbar models (including the budget Redmi Soundbar) support Bluetooth 5.0 with the AptX codec for high audio quality.

Step-by-step:

1. Turn the soundbar into the socket and press the Source button on the remote or the device itself until the Bluetooth indicator (blue LED) lights up.
2. On your smartphone (Android or iPhone), open Settings → Bluetooth and enable device search.
3. In the list, find the name of your soundbar (such as Mi TV Soundbar XXXX or Redmi Soundbar) and connect to it.
4. Start the music – the sound should be automatically transmitted to the soundbar.

Features of connection:

• 🎵 For the best Android sound in Bluetooth settings, select the AptX codec (if available).
• 📱 On iPhone, codec is automatically selected, but you can turn on High-quality audio in your music settings.
• 🔋 If the soundbar suddenly shuts down, check your power saving settings on your smartphone – some models (such as Xiaomi or Redmi) can break the connection to save battery life.

⚠️ Note: When connecting to a MacBook or Windows PC via Bluetooth, there may be a delay in sound (up to 200 ms). HDMI 3.5 mm AUX.

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If the soundbar is not on Bluetooth, reset it: hold the Source button on the remote for 10 seconds until the indicator blinks.

4. Optical cable connection (TOSLINK): for older TVs

If your TV doesn't support HDMI ARC, but you have an optical output (TOSLINK), it's the second-highest way to connect, it transmits lossless digital audio, but it doesn't support Dolby Digital 5.1.

What you need:

• 🔌 Optical cable (not included in the soundbar) Recommended length of 1-2 meters.
• 📺 Television with optical output (usually signed as Optical Out or Digital Audio Out).

How to connect:

1. Turn off the TV and the soundbar.
2. Connect the optical cable to the Optical In port on the soundbar and to the Optical Out on the TV.
3. Turn on both devices.
4. On the soundbar remote, select Optical Mode (can be called D.IN or Digital).
5. On the TV, go to Settings → Sound → Sound Output and select Digital Output.

If there's no sound:

• 🔄 Check if the cable is tightly inserted -- the optical connector is sensitive to contamination.
• 🔊 There may be a separate Optical button on the soundbar – press it to force switching.
• 📺 On the TV, turn off the internal speakers in the sound settings.

5. Connecting through 3.5mm AUX: a universal but outdated method

If you have a very old TV or want to connect the soundbar to a PC, laptop, or even a vinyl player, you can use 3.5mm. AUX-This method transmits analog sound, so the quality will be worse than the quality. HDMI Or optics, but it works with almost any device.

Instructions:

1. Connect one end of the 3.5mm cable to the AUX Out or Headphone Out output on your TV/PC.
2. The other end is inserted into the AUX In port on the soundbar (usually signed or marked with a headphone pictogram).
3. On the soundbar, select AUX mode (could be called Line In or Analog).
4. On TV/PC in the sound settings, select the output to 3.5 mm Audio output.

Features and limitations:

• 🎧 Sound quality depends on the source signal. If the TV is weak in DAC, the sound may be worse than through the DAC. HDMI.
• 🔊 Volume control works independently: on the TV and soundbar you will have to adjust the sound level separately.
• 🎮 For gamers: when connecting to the PC through AUX You may have a delay of up to 100 ms. HDMI.

6.Tune the sound after connection

After successfully connecting the Xiaomi soundbar, it needs to be properly tuned to keep the sound balanced.

• 🎛️ Sound modes: The soundbar's remote has a Mode (or Sound Effect) button. Try Mode for movies (boosts bass and voice), Music for music (expands stereo), News for conversations (echo suppresses) Game for games (minimizes latency)
• 🔊 Equator: in some models (e.g. Mi) TV Soundbar 3.1ch) You have a manual equalizer setting. For bass, you can increase the 100-200 Hz sliders, for voice, 1-3 kHz.
• 🔋 Auto-Disable: By default, the soundbar turns off after 15 minutes without a signal. To turn off this feature, hold the Power button on the remote for 5 seconds.

For Xiaomi TVs (such as Mi TV Q2 or Redmi Smart TV X), additionally configure:

1. Go to Settings → Sound → Sound Output and select HDMI ARC (or other port used).
2. Enable HDMI-CEC (in Settings → System → Device Management) to control the soundbar from the TV remote.
3. Turn off Virtual Surround (if any) – the soundbar itself processes spatial sound.

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For better sound in movies, turn on Movie on the soundbar and on the TV, choose the Bitstream sound format (not PCM).

7. Solving typical problems

Even when connected properly, problems can occur, and here are the most common ways to solve them:

• 🔇 No sound at all: Check if the soundbar source is right (click Source on the remote). On the TV, in the audio settings, turn off the internal speakers. HDMI ARC, Update the TV firmware.
• 🎤 Sound is there, but quiet: On the soundbar, press Volume + To the maximum, then adjust the volume on the TV. In the settings of the TV, check whether Night Mode or Volume Limit is on.
• ⏱️ Sound delay (not synchronized with video): HDMI ARC: in the TV settings, find the Sound Latency and set 0 ms. For Bluetooth: try the AptX Low Latency codec (if supported). AUX: Delay is inevitable, try another way to connect.
• 🔊 Crack or noise: Check cables for damage (especially optical). Turn off nearby operating devices (such as a router or microwave) - they can cause interference. On the soundbar, reset to factory settings (hold Source). + Volume - 10 seconds).

⚠️ Attention: If the soundbar Xiaomi Mi TV Soundbar 3.1ch Dolby Atmos does not play, check that the TV has Auto or Bitstream format in the audio settings, rather than the Auto or Bitstream format. PCM. Otherwise, the sound will be transmitted in a compressed form.

8. Frequently Asked Questions (FAQ)