Connecting Xiaomi soundbar to a TV LG: full-length instruction

Are Xiaomi soundbars compatible with TVs? LG?

Connecting Xiaomi soundbar to a TV LG — This is a challenge that many users face after buying an acoustic system, even though both brands use standard interfaces (HDMI ARC, Bluetooth, optical output, in practice, often have problems with synchronization of sound, lack of signal or incorrect remote operation, the reason lies in the differences in firmware, interface versions and even cables.

In this article, we will discuss all possible ways of connecting (including rare ones, for example, through the Internet). USB-C And we're going to focus on new models, typical errors and solutions. HDMI ARC — The most reliable, but also the most capricious method, and if you've tried to connect devices and you've encountered a problem, skip the introduction and go to the "Error Discovery" section».

First, determine what soundbar model you have:

• 🔹 Xiaomi Mi TV Soundbar (2020–2023) – supports HDMI ARC, Bluetooth 5.0, optics and AUX.
• 🔹 Redmi Soundbar Pro – budget version with Bluetooth 4.2 and optical input (no) HDMI).
• 🔹 Xiaomi Soundbar 3.1ch — flagship with a subwoofer, requires mandatory connection by HDMI full-time.

Also check the year of your TV release. LG:

• 📺 Models 2018–2020 (e.g, LG UK6200, SK8000) may not support eARC, which limits the transmission of multichannel sound.
• 📺 Models 2021-2026. (LG C1, G2, QNED80) They are usually compatible with any soundbars, but require manual tuning. HDMI-port.

Method 1: Connecting through HDMI ARC (recommended)

HDMI ARC (Audio Return Channel – the best option for transmitting sound without delay and with support for Dolby Digital or Dolby Digital formats DTS. However, this method requires the correct configuration of both devices.

You'll need:

• 🔌 Cable HDMI 2.0 or 2.1 (length up to 3 m to minimize signal loss).
• 📺 Port port HDMI ARC TV-wise LG (usually signed «ARC» or»).
• 🔊 Port port HDMI ARC/OUT on the Xiaomi soundbar.

Step-by-step:

1. Turn both devices off the socket.
2. Connect the cable to the ports HDMI ARC You can use a port with a tag on your TV and soundbar «ARC» — other HDMI-The ports don't transmit sound back!
3. Turn on the TV and soundbar.
4. On the remote. LG press Settings → Sound. → Sound output.
5. Choose. HDMI ARC (or External Speaker (HDMI ARC) new-model).
6. In the soundbar settings (if there is a screen) activate the mode ARC.

If there's no sound:

• 🔄 Reboot both devices (remove the plugs from the socket for 30 seconds).
• 🔧 Check if it's on. CEC (Simplink on the LG) In the settings of the TV: Settings → General. → Convenience → Simplink (HDMI-CEC).
• 🔊 Make sure the soundbar has the right source (Source or Input button).

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If you're connected HDMI ARC The sound is late, try the settings of the TV LG Turn off sound processing: Settings → Sound. → Additionally. → Synchronization of lips/sound → Off.

Method 2: Wireless Bluetooth connection

Bluetooth devices are convenient without wires, but have two key drawbacks: audio delay (up to 200 ms) and audio codec compression (loss of quality), which is suitable for watching news or music, but not for movies.

How to connect:

1. On Xiaomi soundbar, activate the pairing mode: For Mi TV Soundbar: Hold the Bluetooth button for 3 seconds until the blue light flashes. For Redmi Soundbar Pro: press and hold Source until you hear the beep.

LG

Settings → Sound. → Sound output → Bluetooth device

MI_SOUNDBAR_XXXX

Confirm the pairing on both devices.

If the TV doesn't find the soundbar:

• 🔄 Reboot the Bluetooth module on the soundbar (turn off/on the power).
• 📱 Make sure the soundbar is not connected to another device (such as a smartphone).
• 🔧 Update the TV firmware LG (on the Settings menu → General. → Update of the PO).

Comparison of Bluetooth and HDMI ARC:

Method 3: Optical connection (TOSLINK)

Optical cable (TOSLINK) It transmits digital sound without compression, but has limitations:

• 🔊 Does not support Dolby Atmos or DTS:X (Dolby Digital 5.1).
• 📦 Requires the purchase of a separate cable (not always included).
• 🔌 Does not transmit sound from TV to soundbar (only in one direction).

Instructions:

1. Connect the optical cable to the Optical Out port on your TV LG and Optical In on soundbar.
2. On TV, go to Settings → Sound. → Sound output → Optical.
3. Choose the sound format: PCM — For stereo sound (if the soundbar does not support Dolby), Bitstream for multi-channel sound (5.1).

Optical

Source

If there's no sound:

• 🔦 Check if the connector is dirty (wipe with a dry wipe).
• 🔄 Try another optical cable (cheap cables often break down).
• 🔧 Turn off the TV settings. HDMI ARC, if activated (may conflict with optical output).

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Optical cable is the best choice for older TVs LG (until 2018, where there is no HDMI ARC. However, it does not transmit sound from the soundbar to the TV (for example, for karaoke or game consoles).

Method 4: Analog connection (3.5 mm) AUX)

The most versatile, but also the lowest quality method, suitable for temporary connection or if other methods are not available.

• 🔊 Quality loss due to analog signal.
• 🎵 No multi-channel sound support (only stereo).
• 🔌 Sensitivity to interference (noise, background).

How to connect:

1. Use a 3.5mm cable AUX → 3.5 mm AUX (or RCA → 3.5 mm if only on TV RCA-exit).
2. Connect one end to the Audio Out output on the TV, the other to the entrance AUX In on soundbar.
3. On the TV, select the sound output: Settings → Sound. → Sound output → Audio output/Hearphones.
4. On the soundbar, select the source. AUX.

Tips for improving sound:

• 🔊 Use a cable with gilded connectors (less oxidation).
• 🔧 In the settings of the TV, increase the volume level at the output (if the sound is too quiet).
• 🎛️ On the soundbar, activate Movie or Music mode to improve the sound.

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If AUX-When connecting, you can hear background noise, try using a separation transformer (should be used). ~It eliminates the tips from the 220B network.

Method 5: Connecting through USB (new-model)

Some Xiaomi soundbars (e.g. Mi) TV Soundbar 2023 supports connectivity USB-C or USB-A This is a technique that's rarely used, but it can help if other ports are busy.

How it works:

• 🔌 Televisions LG 2022–2026 (e.g, LG C2, G3) have USB-port with Audio Out support.
• 🔊 Soundbar must maintain the regime USB Audio (check in the instructions).
• 📁 Cable required USB-A → USB-C (or USB-C → USB-C).

Instructions:

1. Connect the soundbar to the TV with a cable.
2. On TV, go to Settings → Sound. → Sound output → USB.
3. On the soundbar, select the source. USB (You may need to hold the Source button for 5 seconds).

⚠️ Attention: At USB-When you connect, the TV can limit volume because of safety standards. LG Turn off the volume limit (Settings) → Sound. → Additionally).

Error analysis: why Xiaomi soundbar does not work with LG

Even with the right connection, there can be problems, and let's look at typical scenarios and their solutions.

Problem 1: The sound comes only from the TV's built-in speakers, the soundbar is silent.

• 🔧 Check if an external speaker is selected in the TV settings: Settings → Sound. → Sound output → HDMI ARC/Optical.
• 🔊 On the soundbar, press the Source button and select the correct input.
• 🔄 Restart both devices (remove the plugs from the socket for 1 minute).

Problem 2: There is a latency sound (not synchronized with the video).

• 🎬 In the settings of the TV, turn off the sound processing: Settings → Sound. → Additionally. → Synchronization of lips/sound → Off.
• 🔧 If you use Bluetooth, switch to HDMI ARC optical-cable.
• 🔄 Update the soundbar firmware (via the Mi Home app).

Problem 3: Soundbar periodically shuts down or makes a crack.

• 🔌 Check the cable for damage (especially if used) HDMI optics).
• 🔋 Make sure the soundbar gets enough power (some models require an original power supply).
• 📶 If the problem is Bluetooth, reduce the distance between devices or eliminate interference (Wi-Fi routers, microwaves).

Problem 4: The TV doesn't see the soundbar HDMI ARC.

• 🔧 Turn it on. HDMI-CEC (Simplink) on TV: Settings → General. → Convenience → Simplink.
• 🔄 Try another one. HDMI-cable (preferably with High Speed labeling).
• 📋 Check if your model supports LG ARC (on some budget port TVs HDMI It does not support a reverse sound channel).

⚠️ Attention: On TVs LG 2019–2020 (e.g, LG SM8600) After updating the firmware can reset the setting HDMI ARC. Solution: Go back to the factory sound settings (Settings) → Sound. → Reset) and reset.

Frequent Questions (FAQ)