How to connect AUX to Xiaomi TV: all ways + error analysis

Connecting external acoustics through AUX-The 3.5mm connector to Xiaomi TV is a challenge many users face. TV redmi TV They often lack classical audio output, but that doesn't mean there are no outputs. In this article, we'll look at all the working methods, from adapters to digital interfaces, and also how to avoid typical audio tuning errors.

The main problem is that the manufacturer does not always provide analog output in new models. For example, Xiaomi Mi TV Q2 2023 has only HDMI ARC and optical output, and Redmi Smart Fire TV 2022 โ€” all HDMI and USB. But even in such cases there are workarounds. Next โ€” specific solutions for different scenarios.

Verification of availability AUX-jack on the Xiaomi TV

Before you buy cables, make sure your Xiaomi model supports analog audio output at all.

  • ๐Ÿ” Inspect the back panel: look for a round connector with a diameter of 3.5 mm with the inscription AUDIO OUT Or headphone icons. On new models. TV P1 2026, Redmi Max 98" he usually doesn't exist.
  • ๐Ÿ“„ Check the specifications: on the Xiaomi website, in the product card, look for the "Interfaces" section. HDMI ARC or โ€” AUX absent.
  • ๐Ÿ› ๏ธ Use the Mi Home app: in the Devices section, select your TV โ†’ "Specifications" โ†’ "Ports. All physical connectors are displayed there.

If AUX-There is a connector - you are lucky: it is enough to buy a standard cable "3.5 mm - 3.5 mm" (or "3.5 mm โ€” RCA" If not, read more about adapters.

๐Ÿ“Š What kind of Xiaomi TV is you?
Mi TV (any model)
Redmi TV
Poco TV
Another brand
I don't know the model.

2. Connect via HDMI ARC (if no AUX)

Most Xiaomi TVs in recent years have been equipped with an HDMI ARC (Audio Return Channel) port that allows you to transmit sound from both sides: from the TV to the sound system (soundbar, receiver) and back.

  1. Connect. HDMI-port HDMI ARC on the TV and the corresponding port on the soundbar / receiver.
  2. Enable ARC in the TV settings: Settings โ†’ Sound โ†’ HDMI ARC โ†’ Enable
  3. Select the HDMI ARC sound source on an external device (usually by the Source or Input button).

Important: Not all HDMI cables support ARC. You need a 1.4 or higher cable (the package must be marked "High Speed" or "ARC-compatible"). If there is no sound, try another cable.

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If after connecting the sound is delayed, in the settings of the TV (Settings โ†’ Sound โ†’ Sound Latency) reduce the value to 0 ms or 50 ms.

If your Xiaomi TV has an optical output (a square-shaped connector with red light inside), you can connect external acoustics via a digital-to-analog converter (DAC), which gives a cleaner sound than AUX, but requires additional hardware.

You'll need:

  • ๐Ÿ”Œ Optical cable (TOSLINK)
  • ๐ŸŽง DAC with optical input and AUX-output (e.g. FiiO) D3 topping D10s)
  • ๐Ÿ”Š Columns or headphones with AUX-entrance

Connection diagram:

  1. Connect the optical output of the TV with the input Optical In on the DAC.
  2. Connect the speakers to the AUX Out output on the DAC.
  3. In the TV settings, select optical output as the main sound source: Settings โ†’ Sound โ†’ Digital audio output โ†’ Enable
Model Xiaomi TVOptical exitMax. Supported sound resolution
Mi TV Q2 75" (2023)Yes.Dolby Digital Plus
Redmi Smart Fire TV 55" (2022)No.โ€”
Mi TV A2 43" (2026)Yes.PCM 2.0
Poco TV Pro (2023)Yes.DTS-HD

The optical output delivers lossless sound, but not all Xiaomi models support multi-channel sound (5.1).

4. Connection via Bluetooth (wireless AUX)

If wires aren't your option, you can transmit the audio over Bluetooth.

  • ๐Ÿ“ฑ Bluetooth transmitter with 3.5 mm input (e.g, 1Mii B06 Plus or Avantek. APTX-LL)
  • ๐Ÿ”Š Bluetooth speakers/earphones (or a separate Bluetooth receiver for wired acoustics)

Instructions:

  1. Connect the transmitter to an HDMI ARC or optical output of the TV (depending on the transmitter model).
  2. Turn the transmitter into pairing mode (usually hold the power button for 3-5 seconds).
  3. On your TV, activate Bluetooth: Settings โ†’ Connections โ†’ Bluetooth โ†’ Device Search Choose your transmitter from the list.

โš ๏ธ Attention: Lip-sync is a common problem with Bluetooth connectivity to reduce it:

  • Use transmitters with aptX Low Latency support.
  • In the settings of the TV (Settings โ†’ Sound โ†’ Sound Lag), set the value of 100-150 ms.
How do you check for a latency?
Turn on a video with a sharp sound (for example, a drumbeat) and compare the moment of sound with the movement of the picture. If the sound is more than 0.2 seconds late, the delay is critical.

5. Connect via USB (alternative to AUX)

Some Xiaomi TVs (e.g. Mi) TV 4S or Redmi X50) They allow you to make sound through USB-It's a port. USB-3.5 mm audio adapter.

Step-by-step:

  1. Buy a USB Type-A โ†’ 3.5mm adapter (e.g. Sabrent AU-MMSA).
  2. Connect the adapter to USB-television-port.
  3. Connect the adapter to speakers/earphones through AUX-cable.
  4. In the settings of the TV, select the sound source: Settings โ†’ Sound โ†’ Sound output โ†’ USB

โš ๏ธ Attention: Not all USB-The ports on Xiaomi TVs support audio output:

  • Try another one. USB-Port (usually only open to the public) USB 3.0, marked in blue).
  • Check adapter compatibility: some models require additional power.

USB port on TV supports OTG| Adapter compatible with Android TV|Columns are on and volume is not at a minimum |The correct sound source is selected in the settings

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6. Problem Solving: No sound after connection

If you have everything connected, but there is no sound, check out these moments:

Problem.Possible causeDecision
The sound only comes through the built-in speakers.No external source of sound is selectedGo to Settings โ†’ Sound โ†’ Sound Output and select HDMI ARC/Optical/USB
The sound is interrupted or distortedPoor quality cable or adapterTry another cable or check the connection density
No sound when connected via BluetoothDevices are not paired.Restart Bluetooth on TV and transmitter, repeat pairing
It's sounding, but it's very quiet.Volume limitation in settingsTurn off sound normalization in Settings โ†’ Sound

If the problem is not resolved:

  • ๐Ÿ”„ Reboot the TV: Hold the power button on the remote for 10 seconds.
  • ๐Ÿ“‹ Reset the sound settings: Settings โ†’ All settings โ†’ Reset โ†’ Reset the sound settings
  • ๐Ÿ“ž Contact Xiaomi for support: specify the TV model and the way to connect.

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If the sound disappears after the firmware update, try rolling back the software version through Settings โ†’ About TV โ†’ System Update โ†’ Recoil (not available on all models).

7.The Best Adapters and Cables to Connect AUX to Xiaomi TV

Choosing the right adapter is half the success, and here are the proven options for different scenarios:

  • ๐Ÿ”Œ HDMI ARC โ†’ AUX: GOgroove BlueHIVE ARC Adapter (supports Dolby Digital, delay) < 50 ms).
  • ๐ŸŽง Optical โ†’ AUX: FiiO D3 (Supported DAC 24bit/96kHz, low-noise).
  • ๐Ÿ“ถ Bluetooth transmitter: 1Mii B06 Plus (works with aptX) LL, range).
  • ๐Ÿ”— USB โ†’ AUX: Sabrent AU-MMSA (Android compatible TV, driverless).

When buying, pay attention to:

  • Compatible with Android TV (not all adapters work with Xiaomi firmware).

FAQ: Frequent questions about connecting AUX to Xiaomi TV

Can I connect AUX to Xiaomi TV via a headphone jack?
No, the headphone jack on the Xiaomi TV only works on the output (for connecting headphones), but not on the input. It can not be used to transmit sound to external speakers. AUDIO OUT adapter (HDMI ARC, optical output).
Why is it that when connected via HDMI ARC, the sound only comes from the built-in speakers?
This is a typical problem if the TV settings are not activated with HDMI ARC. Go to Settings โ†’ Sound โ†’ HDMI ARC and turn on the option. Also check that the soundbar / receiver has the correct source (HDMI ARC or TV ARC). If the problem remains, update the TV firmware.
How to connect old speakers with AUX to Xiaomi TV without connectors?
There are three options: Bluetooth adapter: connect it to the speakers through AUX, And to the TV, Bluetooth. HDMI ARC + adapter: buy an adapter HDMI ARC โ†’ AUX (For example, GOgroove BlueHIVE. + DAC: if there is an optical output on the TV, use DAC with AUX-The most versatile way is Bluetooth, but with a latency. For the minimum delay, choose adapters with aptX Low Latency.
Can I connect AUX to Xiaomi TV via USB-C?
No, USB-C On TVs, Xiaomi is only used to power or connect external drives. It doesn't support audio output. AUX-connect HDMI ARC, optical output or Bluetooth adapter.
What sound settings should I change after connecting AUX?
After connecting, check: Settings โ†’ Sound โ†’ Output selected the correct source (HDMI ARC, Optical or USB). Disabled option Normalization (it limits volume). In Settings โ†’ Sound โ†’ PCM format selected (if using optical output and DAC). Volume on the TV and external speakers set to medium (not at the minimum!).