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:
- ๐ 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.
- ๐ 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.
- ๐ฑ 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:
- ๐ HDMI 2.1 (for eARC and Dolby Vision)
- ๐ฆ Optical (TOSLINK) โ if HDMI idle
- ๐ง 3.5 mm AUX โ for analogue connection (lowest quality)
โ ๏ธ Warning: Don't use cheap HDMI-cables without High Speed labeling โ they donโt transmit multi-channel sound, and the soundbar will only play stereo.
2. Method 1: Connection to HDMI ARC/eARC (recommended)
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:
- Turn both devices off the socket.
- Connect. HDMI-port HDMI ARC on the TV (usually marked with an inscription) and to the port HDMI IN (ARC) soundbar.
- Turn on the soundbar, then the TV.
- On the Xiaomi remote TV press Menu โ Settings โ Sound. โ Outdoor sound.
- Choose. HDMI ARC or HDMI eARC (if available).
- Enable Control. HDMI (CEC) to control the soundbar from the TV remote.
If the sound doesn't come up,
- ๐ Restart both devices (turn off power for 30 seconds).
- ๐ง Check that the soundbar settings have selected mode HDMI IN (Press the Source button on the soundbar remote).
- ๐ถ 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-->
โ ๏ธ Attention: On the TVs Xiaomi Mi TV 4X and 4C port HDMI ARC It can work unstablely with other brands' soundbars.
Method 2: Optics Connection (TOSLINK)
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:
- Connect the Optical Out port on your TV to Optical In on the soundbar.
- On the Xiaomi remote TV Go to Settings. โ Sound. โ Outdoor sound.
- Choose Digital (Optical)
- In the soundbar settings (Source button) select the mode OPTICAL.
If there's no sound:
- ๐ฆ Check if the optical cable connector is contaminated (wipe with a dry cloth).
- ๐ Make sure that the TV is not activated External speakers (it may conflict with optics).
- ๐ต Turn off Bluetooth on the soundbar โ sometimes it blocks the optical input.
| Parameter | HDMI ARC | Optical (TOSLINK) |
|---|---|---|
| Max, sound quality. | Dolby Atmos, DTS:X | Dolby Digital 5.1, PCM 2.0 |
| Sound delay | Minimum (<20 ms) | Medium (~40ms) |
| Control from the remote | Yes (via CEC) | No. |
| Required cable | HDMI 2.1 | TOSLINK |
๐ก
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:
- ๐ต The sound quality is limited by the codec SBC or AAC (No Dolby Digital).
- โฑ Sound delay can reach 100-200 ms (notably in movies).
- ๐ Soundbar discharges faster (relevant for portable models).
Instructions for interface:
- Turn on the soundbar and put it into search mode (press the Bluetooth button before the indicator blinks).
- On the TV, go to Settings โ Devices โ Bluetooth.
- Select your soundbar from the list (model name will show, for example, Mi Soundbar). XX12).
- Confirm the pairing on both devices.
- Back to Settings โ Sound and select Bluetooth audio.
If the TV doesn't find the soundbar:
- ๐ Reboot the Bluetooth module on the soundbar (turn it off/on).
- ๐ฑ Remove old paired devices in the TV settings.
- ๐ก 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?
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:
- Connect the Audio Out port (3.5mm) on your TV to the port AUX In on soundbar.
- On the Xiaomi remote TV Select Settings โ Sound. โ Outdoor sound โ Analog (3.5 mm).
- On the soundbar, press the Source button and select AUX.
Typical problems and solutions:
- ๐ Noise and interference: Check the integrity of the cable (damaged) AUX-cords often crack).
- ๐ Quiet sound: Turn up the volume on your TV to 80-90%, then adjust it on the soundbar.
- ๐ The sound comes from only one channel: try to take out / insert the plug a little - contacts may not fully enter the connector.
โ ๏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:
- ๐ฌ Movies and TV Series: Dolby Digital Plus (for the first time) HDMI ARC/eARC) or PCM 5.1 (optic).
- ๐ฎ Games: PCM 2.0 (minimum delay) or DTS:X (if maintained).
- ๐ถ Music: Stereo PCM (maximum quality for stereo).
How to set up:
- Go to Settings. โ Sound. โ Additionally. โ Digital sound format.
- Choose the appropriate format (e.g. Auto (recommended) or Dolby Digital).
- 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:
- ๐ง Update the soundbar firmware through the Mi Home app.
- ๐ Reconnect. HDMI-cable (sometimes the TV doesn't recognize supported formats when you first connect).
- ๐ Check that the soundbar settings have the mode enabled. HDMI ARC (On some models, it is disabled by default).
๐ก
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 cause | Decision |
|---|---|---|
| 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 codec | Choose. PCM 2.0 or activate Game Mode |
| Soundbar is making a crack. | Poor contact in optical cable | Wash the connectors with alcohol or replace the cable |
| No sound when you turn on | The TV does not switch to an external source. | Manually select. HDMI ARC or Optical in the sound settings |
| Soundbar shuts down in 10 minutes | Power saving mode activated | Turn 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 โAfter reset, re-set the output sound according to the instructions above.