How to connect a Xiaomi TV to the Xiaomi soundbar: 4 ways + mistake-making

Xiaomi ecosystem is famous for the ease of integration of devices among themselves, but even here users face the nuances when connecting the TV and soundbar. TV It gives out sound through built-in speakers instead of a powerful speaker system, and the instruction from the box did not help - this article will examine all working methods of connection, from the standard to the standard one. HDMI ARC prior to alternative protocols.

We tested compatibility on Xiaomi models TV A2 43", Mi TV Q2 55" and soundbars Xiaomi Mi Soundbar 3.1, Redmi Soundbar Pro. Particular attention will be paid to the typical errors: why the sound is late, why the soundbar is not determined by Bluetooth, and how to circumvent the restrictions CEC on budget models โ€” FAQ Answer the questions that users ask most often.

1.Preparation: What to check before connecting

Before you connect devices, make sure both gadgets meet the minimum requirements:

  • ๐Ÿ”Œ Ports on TV: availability HDMI ARC/eARC (preferably, optical (TOSLINK) or 3.5 mm AUX. On Xiaomi models TV P1 newer ARC supported by all HDMI-port, and on the Mi TV 4S โ€” first.
  • ๐Ÿ”Š Soundbar version: To work with Dolby Atmos, you need Xiaomi Mi Soundbar 3.1 or Redmi Soundbar Pro. Budget models (for example, Mi Soundbar Basic) are limited to Stereo PCM.
  • ๐Ÿ“ฑ Firmware: The TV should be installed MIUI TV at least 3.0.18 (check in Settings) โ†’ Older versions may not support eARC.

Critical detail: if your TV is released before 2020 (e.g. Mi) TV 4A), It may not have support. ARC โ€” In this case, use optics or Bluetooth.

Also prepare the cables:

  • ๐Ÿ”— HDMI 2.1 (for eARC and Dolby Vision)
  • ๐Ÿ”ฆ Optical (TOSLINK) โ€” if HDMI idle
  • ๐ŸŽง 3.5 mm AUX โ€” for analogue connection (lowest quality)

โš ๏ธ Warning: Don't use cheap HDMI-cables without High Speed labeling โ€“ they donโ€™t transmit multi-channel sound, and the soundbar will only play stereo.

๐Ÿ“Š What Xiaomi soundbar you use?
Mi Soundbar 3.1
Redmi Soundbar Pro
Mi Soundbar Basic
Another brand
I haven't bought it yet.

Protocol HDMI ARC (Audio Return Channel, which allows you to transmit sound from your TV to your soundbar using the same cable as your video, is the most reliable method with minimal latency. TV Q2, Xiaomi TV A3) eARC is an improved version with Dolby Atmos support. DTS:X.

Step-by-step:

  1. Turn both devices off the socket.
  2. Connect. HDMI-port HDMI ARC on the TV (usually marked with an inscription) and to the port HDMI IN (ARC) soundbar.
  3. Turn on the soundbar, then the TV.
  4. On the Xiaomi remote TV press Menu โ†’ Settings โ†’ Sound. โ†’ Outdoor sound.
  5. Choose. HDMI ARC or HDMI eARC (if available).
  6. Enable Control. HDMI (CEC) to control the soundbar from the TV remote.

If the sound doesn't come up,

  • ๐Ÿ”„ Restart both devices (turn off power for 30 seconds).
  • ๐Ÿ”ง Check that the soundbar settings have selected mode HDMI IN (Press the Source button on the soundbar remote).
  • ๐Ÿ“ถ Update the TV firmware through Settings โ†’ On TV. โ†’ Updating the system.

Cable connected to port HDMI ARC both-device|

In the settings of the TV selected output HDMI ARC|

Function on CEC (Controlling HDMI)|

Soundbar is on and mode selected HDMI IN-->

โš ๏ธ Attention: On the TVs Xiaomi Mi TV 4X and 4C port HDMI ARC It can work unstablely with other brands' soundbars.

Optical cable (TOSLINK) It transmits lossless digital audio but does not support Dolby Atmos. DTS:X. This method is suitable if the TV does not have HDMI ARC or is occupied by another device (e.g., prefix).

How to connect:

  1. Connect the Optical Out port on your TV to Optical In on the soundbar.
  2. On the Xiaomi remote TV Go to Settings. โ†’ Sound. โ†’ Outdoor sound.
  3. Choose Digital (Optical)
  4. In the soundbar settings (Source button) select the mode OPTICAL.

If there's no sound:

  • ๐Ÿ”ฆ Check if the optical cable connector is contaminated (wipe with a dry cloth).
  • ๐Ÿ”Š Make sure that the TV is not activated External speakers (it may conflict with optics).
  • ๐Ÿ“ต Turn off Bluetooth on the soundbar โ€“ sometimes it blocks the optical input.
ParameterHDMI ARCOptical (TOSLINK)
Max, sound quality.Dolby Atmos, DTS:XDolby Digital 5.1, PCM 2.0
Sound delayMinimum (<20 ms)Medium (~40ms)
Control from the remoteYes (via CEC)No.
Required cableHDMI 2.1TOSLINK

๐Ÿ’ก

If after connecting via optics, the soundbar emits hiss, try in the settings of the TV (Sound) โ†’ Additionally) disable Auto-detect formats and manually select PCM

Method 3: Wireless Bluetooth connection

Bluetooth is convenient for temporary connection or if you rent a house and can't lay cables, but there are limitations to this method:

  • ๐ŸŽต The sound quality is limited by the codec SBC or AAC (No Dolby Digital).
  • โฑ Sound delay can reach 100-200 ms (notably in movies).
  • ๐Ÿ”‹ Soundbar discharges faster (relevant for portable models).

Instructions for interface:

  1. Turn on the soundbar and put it into search mode (press the Bluetooth button before the indicator blinks).
  2. On the TV, go to Settings โ†’ Devices โ†’ Bluetooth.
  3. Select your soundbar from the list (model name will show, for example, Mi Soundbar). XX12).
  4. Confirm the pairing on both devices.
  5. Back to Settings โ†’ Sound and select Bluetooth audio.

If the TV doesn't find the soundbar:

  • ๐Ÿ”„ Reboot the Bluetooth module on the soundbar (turn it off/on).
  • ๐Ÿ“ฑ Remove old paired devices in the TV settings.
  • ๐Ÿ“ก Check that the soundbar is no further than 3 meters from the TV (walls and furniture weaken the signal).
How to reduce the latency of the sound over Bluetooth?
1. In the settings of the TV (Sound) โ†’ Additionally, turn on Game Mode. 2. On the soundbar, activate Movie or Game mode (if any). 3. Use the aptX Low Latency codec (available only on Redmi Soundbar Pro and Android TVs). TV 11+). 4. If the delay is critical (for example, for gaming), switch to a wired connection.

5. Method 4: Connecting by AUX (3.5 mm)

Analog connection through 3.5 mm is the most versatile, but also the lowest quality method. TV 3S) Or if other methods are not available, the sound is transmitted in Stereo format. PCM without multi-channel format support.

How to connect:

  1. Connect the Audio Out port (3.5mm) on your TV to the port AUX In on soundbar.
  2. On the Xiaomi remote TV Select Settings โ†’ Sound. โ†’ Outdoor sound โ†’ Analog (3.5 mm).
  3. On the soundbar, press the Source button and select AUX.

Typical problems and solutions:

  • ๐Ÿ”Š Noise and interference: Check the integrity of the cable (damaged) AUX-cords often crack).
  • ๐Ÿ”‡ Quiet sound: Turn up the volume on your TV to 80-90%, then adjust it on the soundbar.
  • ๐Ÿ”Œ The sound comes from only one channel: try to take out / insert the plug a little - contacts may not fully enter the connector.

โš ๏ธ Attention: On Xiaomi TVs TV A Pro and Q1E The 3.5mm port can be disabled by default. To activate it, go to Settings. โ†’ For developers โ†’ Turn on analogue audio output.

6. Sound format setting and synchronization

Even after successful connection, the sound may not play correctly: there is no bass, distortion, or sound lags behind the video, due to incorrect format settings.

Optimal parameters for different scenarios:

  • ๐ŸŽฌ Movies and TV Series: Dolby Digital Plus (for the first time) HDMI ARC/eARC) or PCM 5.1 (optic).
  • ๐ŸŽฎ Games: PCM 2.0 (minimum delay) or DTS:X (if maintained).
  • ๐ŸŽถ Music: Stereo PCM (maximum quality for stereo).

How to set up:

  1. Go to Settings. โ†’ Sound. โ†’ Additionally. โ†’ Digital sound format.
  2. Choose the appropriate format (e.g. Auto (recommended) or Dolby Digital).
  3. To synchronize sound and video, adjust the delay in Settings โ†’ Sound. โ†’ Synchronization of sound (meanings from the -200 before +200 miss).

If there is no Dolby Atmos in the list of formats:

  • ๐Ÿ”ง Update the soundbar firmware through the Mi Home app.
  • ๐Ÿ”„ Reconnect. HDMI-cable (sometimes the TV doesn't recognize supported formats when you first connect).
  • ๐Ÿ“‹ Check that the soundbar settings have the mode enabled. HDMI ARC (On some models, it is disabled by default).

๐Ÿ’ก

Listen to Dolby Atmos through the HDMI ARC Both devices must support eARC. On Xiaomi TVs, these are models of 2021 and later (series). Q2, A2, P1).

7. Solving common problems

Even with the right connection, users are faced with common errors.

Problem.Possible causeDecision
Soundbar is not on the TV remote.Unplugged. CEC (HDMI-Control)Enable in Settings โ†’ Devices โ†’ Controlling HDMI
The sound is delayed (>200 ms)Incorrect sound format or codecChoose. PCM 2.0 or activate Game Mode
Soundbar is making a crack.Poor contact in optical cableWash the connectors with alcohol or replace the cable
No sound when you turn onThe TV does not switch to an external source.Manually select. HDMI ARC or Optical in the sound settings
Soundbar shuts down in 10 minutesPower saving mode activatedTurn off the soundbar settings of Auto Standby

If none of the methods worked, reset the sound settings on the TV:

Settings โ†’ System โ†’ Resetting settings โ†’ Resetting sound settings โ†’

After reset, re-set the output sound according to the instructions above.

8. Frequently Asked Questions (FAQ)

Can you connect the Xiaomi soundbar to another brand TV (Samsung, LG)?
Yes, but with reservations: HDMI ARC โ€” No problem if both devices support CEC. Bluetooth โ€“ Possible problems with pairing (for example, on the LG You may need to manually enter PIN-Optics are universal, but check format compatibility (some Samsungs don't pass Dolby Digital through the Internet). TOSLINK). Sony TVs may need to disable Digital Audio Out: Auto 1 in audio settings.
Why doesnโ€™t Xiaomiโ€™s soundbar play Dolby Atmos, even though the TV supports it?
Reasons: It uses an optical cable -- it doesn't transmit Atmos. It has a format chosen in the settings of the TV. PCM Instead of Auto or Dolby Digital Plus, the soundbar firmware is outdated (update via Mi Home). HDMI-The cable does not support eARC (need to be used) HDMI Solution: connect to HDMI eARC, select Auto format and check that the soundbar settings have enabled mode HDMI IN.
How to control the soundbar from the remote from Xiaomi TV?
For this purpose, the protocol must be activated. HDMI-CEC: On TV: Settings โ†’ Devices โ†’ Controlling HDMI โ†’ On the soundbar: make sure it's on the menu (Source) โ†’ HDMI ARC) switched on HDMI Control. Then the volume buttons on the TV remote will adjust the soundbar. If it doesn't work, check if your model supports Xiaomi. TV CEC (on Mi TV 4A and 4C This function may not be available).
Can I connect the soundbar to Xiaomi? TV via Wi-Fi?
No, Xiaomi does not support Wi-Fi audio transmission directly. Alternatives: Use Bluetooth (but there will be a delay). Connect via Google Cast (requires Chromecast or built-in Google TV To sync with a smart home, set up a script in Mi Home, but this wonโ€™t replace a direct audio connection.
How to reset the Xiaomi soundbar settings to factory?
Methods: Through the remote: pinch Source + Volume - 5 seconds before the indicator flashes. Through the button on the body: press and hold the Power 10 seconds (operates on Mi Soundbar 3.1.