How to connect Xiaomi soundbar to a TV: all the ways + fixing

Xiaomi soundbars are a popular solution for improving the sound of TVs due to the combination of affordable prices and high-quality sound. However, many users face difficulties when connecting for the first time: it does not work. HDMI ARC, There is no sound via Bluetooth or optics, and the manufacturer's instructions often contain only basic circuits without taking into account the features of different TV models. TV Soundbar, Redmi Soundbar and other Samsung TV models, LG, Sony and Xiaomi, and solve typical problems with audio tuning.

We'll pay special attention. HDMI ARC β€” It's a state-of-the-art, functional method that allows you to control the soundbar volume from the remote and transmit the sound to the highest possible quality. ARC Or you have an old soundbar model, we'll show you alternatives: from the classic 3.5 mm. AUX You'll also learn how to avoid the common error of not having sound when connecting through a wireless connection. HDMI due to incorrect settings CEC.

It doesn’t matter if you’re connecting the soundbar to the new Mi. TV Q2 Or the old Samsung of 2017 – at the end of the article you will find FAQ We'll give you answers to a lot of questions and a cable compatibility table, and if something goes wrong, we'll show you how to diagnose the problem using the indicators in the soundbar panel.

πŸ“Š What brand is your TV?
Samsung
LG
Sony
Xiaomi
Other

1.Preparation: What to check before connecting

Before you connect the soundbar to the TV, make sure you have everything you need, often because there is a simple lack of cable or incompatibility of connectors, and here is a checklist of the required actions:

Identify the soundbar model (Mi) TV Soundbar, Redmi Soundbar, Mi Soundbar 3.1ch etc.)

Check the availability of ports on the TV (HDMI ARC, Optical, AUX 3.5 mm)

Prepare the cables (HDMI 2.0+, optical, AUX-AUX)

Update your TV firmware (especially for Xiaomi models)

Disconnect other audio devices (earphones, speakers) from TV-->

Pay special attention to the version HDMI: full-time HDMI ARC You need a 2.0 or higher cable. Old cables (e.g., from a set) DVD-Players may not support the reverse sound channel if you have a Mi Soundbar soundbar. 3.1ch, Check if there is a cable in the package. HDMI-HDMI β€” They often forget to connect to the port. ARC TV-wise.

You also have to look at the settings of the TV. TV You need to activate the mode. HDMI CEC (Settings menu β†’ System system β†’ Device management, and on Samsung, enable Anynet+. Without it, the soundbar won't sync with the TV remote.

⚠️ If your TV is released before 2015, it may not support HDMI ARC. In this case, use an optical cable or AUX. Check the technical characteristics of the model on the manufacturer’s website.

HDMI ARC (Audio Return Channel is the most modern and convenient way to connect:

  • πŸ”Š Transmit sound from TV to soundbar in high quality (including Dolby Digital and the soundbar) DTS)
  • πŸŽ› Control the soundbar volume from the TV remote (thanks to technology) CEC)
  • πŸ”„ Automatically switch the sound source when the TV is turned on

To connect:

  1. Connect one end. HDMI-port-wire HDMI ARC on soundbar (usually signed).
  2. Second end, put in the port. HDMI ARC on the television (in some models it may be called the HDMI 1 (ARC) or HDMI eARC).
  3. Turn on the soundbar and the TV.
  4. On the TV remote, press the Home (or Settings) button, go to Settings. β†’ Sound. β†’ Sound output and select HDMI ARC.

If the sound doesn't come up,

  • πŸ”„ Restart both devices (turn off the socket for 30 seconds).
  • πŸ”§ Check if it's on. HDMI CEC In TV settings (on Xiaomi it is Mi AnyLink, on Samsung - Anynet)+).
  • πŸ”Š Make sure the soundbar has the right source (usually a button) ARC or HDMI).

πŸ’‘

If you have a soundbar Mi Soundbar 3.1ch If you have a subwoofer, plug it into the socket before you connect to the TV, otherwise the soundbar may not recognize the subwoofer as part of the system.

Soundbar modelSupported sound formats through ARCMax. Disorder.
Mi TV SoundbarDolby Digital, PCM16 bits/48 kHz
Redmi SoundbarPCM, Dolby Digital24 bits/48 kHz
Mi Soundbar 3.1chDolby Digital+, DTS24 bits/96 kHz
Xiaomi Soundbar ProDolby Atmos (passive), DTS:X24 bits / 192 kHz

⚠️ Attention: On TVs LG webOS after connecting via ARC You may need to manually select PCM in the sound settings (Sound menu) β†’ Additionally. β†’ HDMI ARC Otherwise, the soundbar won't play the sound.

Optical cable (Toslink) is a good alternative HDMI, If your TV is not supporting ARC or soundbar doesn't. HDMI-It's digitally streaming without loss, but it has limitations:

  • βœ… Supports Dolby Digital and DTS (most models).
  • ❌ Does not transmit sound from the remote (you need to adjust the volume on the soundbar).
  • ❌ It does not support Dolby Atmos and DTS:X (premium-model).

Instructions for connection:

  1. Connect the optical cable to the Optical In port on the soundbar.
  2. Plug the second end into the Optical Out port on the TV.
  3. On the soundbar remote, select the source OPT (or).
  4. In the TV settings (Sound) β†’ Output of sound) select Optical or S/PDIF.

If there's no sound:

  • πŸ”Œ Check if the cable is tightly inserted (optical connector should click).
  • πŸ”Š Make sure the TV is not set to off mode for optical output.
  • πŸ”„ Try restarting both devices.
What to do if the optical cable is not inserted?
If the connector is too tight, don't force it, you can break the port. Try: 1. Gently wipe the cable connector with alcohol (possibly dust on it). 2. Check if the plug is bent (optical cables are fragile!). 3. Use the Optical adapter. β†’ 3.5 mm if the port on the TV is damaged.

4. Method 3: Connecting through AUX (3.5 mm)

The most universal, but also the most limited method is 3.5 mm. AUX. It's suitable for old TVs or soundbars without digital inputs:

  • ❌ Analog signal – possible interference and loss of quality.
  • ❌ No multi-channel sound support (only stereo).
  • ❌ You need to manually adjust the volume on the soundbar.

How to connect:

  1. Connect the port. AUX Out on the TV with the port AUX In on the soundbar with cable 3.5 mm - 3.5 mm.
  2. On the soundbar remote, select the source AUX or Line In.
  3. In the TV settings (Sound) β†’ Output) select Audio output or 3.5 mm.

If the sound is quiet or disturbed:

  • πŸ”Š Check if the sound on the TV is silenced (sometimes when connected) AUX The TV automatically lowers the volume).
  • πŸ”Œ Try another cable, cheap cable. AUX-cables often give background.
  • πŸ”§ On some TVs (Sony Bravia) you need to manually turn the audio output on the Sound menu. β†’ Sound settings β†’ Audio-guide.

πŸ’‘

If your TV doesn’t have a 3.5mm port, it’s not a good one. RCA (Tulips, use the adapter RCA β†’ 3.5 mm The main thing is to connect the red (right channel) and white (left channel) plugs correctly.

5. Method 4: Wireless Bluetooth connection

Xiaomi Bluetooth devices are usually easily synchronized, but other brands can have problems with their TVs.

  • 🎧 No wires - convenient for wall TVs.
  • πŸ”„ Quick connection (if the TV supports) A2DP).

Disadvantages:

  • ❌ Sound delay (lag) up to 100-300 ms (critical for movies).
  • ❌ Low sound quality (compression) SBC or AAC).
  • ❌ You need to reconnect periodically (especially to the LG Samsung).

Instructions for Xiaomi TV:

  1. On the soundbar, hold the Bluetooth (or Pair) button until the indicator blinks.
  2. On the TV, go to Settings. β†’ Bluetooth and select the soundbar from the list.
  3. On the menu Sound. β†’ Output Sound Select Bluetooth.

For TVs. Samsung/LG/Sony:

  1. Activate the pairing mode on the soundbar (Pair button).
  2. On TV: Settings β†’ Sound. β†’ List of Bluetooth devices β†’ Choose a soundbar.
  3. If there is no sound, check if only headphones are on (on some TVs you need to manually select speakers). + Bluetooth).

πŸ’‘

To reduce the latency of sound when watching movies, turn on the TV mode Game or Movie – this reduces audio buffering.

6. Method 5: Connect via USB (only for some models)

Some Xiaomi soundbars (e.g. Mi Soundbar) 3.1ch) support the connection USB Type-C or USB-A. However, this method is only suitable for playing music from a flash drive or smartphone, but not for transmitting sound from a TV. USB, It can only be used for:

  • 🎡 Playing audio files from USB-storage.
  • πŸ”‹ Charging (if the model supports power supply by USB).

To transmit sound from TV to TV USB will require special special USB-audio adapter (e.g., on a chip) CM108), But it's not a guaranteed solution -- many TVs don't recognize external sound cards.

⚠️ Attention: Don't confuse USB-port on soundbar with USB-Type-C power. Connecting the TV to the power port can knock the device out of order!

7. Sound adjustment after connection

Even if the soundbar is successfully connected, the sound can be quiet, distorted or unsynchronized.

For HDMI ARC/Optical:

  • πŸ”Š On the TV on the menu Sound β†’ Select the sound format: For movies: Dolby Digital or Bitstream: PCM (less).
  • πŸŽ› On the soundbar, set up the equalizer (button) EQ): Select News for speech, Movie for movies.

For Bluetooth/AUX:

  • πŸ”‡ If the sound is interrupted, reduce the distance between the TV and the soundbar (especially for Bluetooth).
  • πŸ”Š On some TVs (Sony) you need to turn off Auto Volume Down (Settings) β†’ Sound. β†’ Additionally).

General advice:

  • πŸ”„ If the sound disappears after switching channels, update the TV firmware.
  • πŸ”§ On the soundbar Mi Soundbar 3.1ch Check the subwoofer settings (Subwoofer button) – sometimes it turns off automatically.

8. Solving typical problems

If there is no sound after connecting or it does not work correctly, use this diagnostic table:

Problem.Possible causeDecision
No sound through HDMI ARCUnplugged. HDMI CEC TVTurn it on. CEC In the settings of the TV (on Xiaomi - Mi AnyLink)
There's a sound, but it's delayed.Television processes video longer than audioTurn on Game mode or turn off post-processing of the image
Soundbar's not includedNot connected to subwoofer (for models) 2.1/3.1)Check the subwoofer power and synchronization (Pair button on the soundbar)
Crackling or interferenceBad contact in AUX/optical-cableTry another cable or clean the connectors
Bluetooth is constantly shutting downEnergy saving on TV or soundbarTurn off Bluetooth Auto-Switching in Settings

If the problem is not solved, pay attention to the indicators on the soundbar:

  • πŸ”΄ Red flashing: no connection to the source.
  • πŸ”΅ Blue Constant: Bluetooth Connection.
  • 🟒 Green flashing: optical or HDMI signal detected, but no sound (check the audio format on TV).

πŸ’‘

On Xiaomi TVs with PatchWall, after connecting the soundbar, you may need to reset the sound settings (Settings) β†’ System system β†’ Reset β†’ Sound reset).

FAQ: Frequent questions

Can you connect Xiaomi soundbar to a TV without HDMI ARC?
Yes, use optical cable, 3.5 mm AUX Or Bluetooth. Optical cable is preferable, because it transmits digital audio without loss, as opposed to the loss of the digital audio. AUX. Bluetooth is suitable for temporary connectivity but not for permanent use due to audio delay.
Why does Xiaomi soundbar not respond to the remote control of the TV?
This happens if not activated. HDMI CEC (Anynet+ on Samsung, Simplink on LG). Go to the TV settings and turn on this feature, and check if the soundbar is connected to the port. HDMI ARC β€” other HDMI-Ports do not support volume control.
How to sync Xiaomi soundbar with subwoofer?
On models with subwoofer (Mi Soundbar) 3.1ch) After connecting to power, press and hold the Pair button on the back of the soundbar for 5 seconds. The indicator on the subwoofer should blink and then burn constantly. If the sync fails, repeat the process or reset the soundbar settings (Reset button).
What sound quality is better: HDMI ARC optical-cable?
HDMI ARC Supports more modern formats (Dolby Atmos, DTS:X) and high bit (up to 24 bits / 192 kHz on premium models). DTS up to 24 bits / 96 kHz, however, if your TV does not support ARC, Optics will be the best choice.
Can you connect Xiaomi soundbar to your TV and smartphone at the same time?
Yes, but only if the soundbar supports multipoint (simultaneous connection to two devices via Bluetooth). Most Xiaomi models do not know how to do this, you will have to manually switch between the TV and the smartphone. HDMI ARC for TV and Bluetooth for smartphone (but only one source will be used for audio).