How to connect speakers to the TV Xiaomi Mi TV 4S 43: all ways with step-by-step photos

Why Xiaomi Mi TV 4S 43 is lacking and when external speakers are needed

Xiaomi Mi TV 4S 43 has built-in speakers with a capacity of 2×8 watts, which is the same as the average for budget models. However, in practice, many users find that the sound “disappears” in the bass, distorted at high volume or simply not loud enough for large rooms, especially when watching Dolby Digital surround movies or music concerts, where you need clear transmission of low and high frequencies.

External speakers solve these problems, but connecting to the Mi TV 4S 43 has nuances. For example, not all the connectors on the back of the TV are active at the same time, and in some cases, you need to manually adjust the audio output in the menu. This article covers all possible ways of connecting, from simple 3.5 mm AUX to advanced wireless systems, taking into account the specifics of the PatchWall firmware from Xiaomi.

Before choosing a method, determine:

• 🔊 Type of columns: active (amplifier) or passive (require receiver).
• 📶 Availability of wireless modules: Does your Bluetooth acoustics support Wi-Fi, or only wired connections.
• 🎵 Purpose of use: cinema (need a subwoofer), music (pure high frequencies) or games (minimum sound delay).

Method 1: Connecting via AUX (3.5 mm) is the most versatile option

The AUX OUT (or Audio Out) connector on the Xiaomi Mi TV 4S 43 is located on the back next to the HDMI ports. It's an analog output that works with most active speakers, soundbars and headphones. The main advantage is simplicity: no need to tune the TV, just a physical connection.

To connect:

1. Take an audio cable with 3.5 mm → 3.5 mm connectors (or 3.5 mm → RCA if the tulip speakers have).
2. One end is inserted into the Audio Out socket on the TV, the other into the column input (usually labeled AUX IN or Line In).
3. Turn on the speakers and set the source of the signal on Line/AUX (Source or Input button).

⚠️ Attention: On Mi TV 4S 43 Audio Out connector does not work simultaneously with optical outputs (S/PDIF). If you connect both cables, the sound will only go through the optics. Also check that the settings on the TV are not activated mode. HDMI ARC — he can block AUX.

Include columns in the network (if active)

Make sure the cable is not damaged (check on another device)

Select the correct source on the columns (AUX/Line)

Turn off Bluetooth headphones in the TV menu (they can intercept sound)

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Method 2: Optical output (S/PDIF) – lossless digital sound

The S/PDIF (or Optical Out) connector on the Mi TV 4S 43 delivers digital audio without compression, which is critical for home theaters or audiophile systems, and can transmit Dolby Digital 5.1 or DTS multichannel audio through it if your speakers or receiver supports them.

To connect:

• 🔌 Buy an optical cable TOSLINK (square-shaped connector).
• 📺 Put one end in the port. S/PDIF on the TV, the other - in the optical input of the speakers / receiver.
• 🔊 In the TV menu go to Settings → Sound. → Digital sound (S/PDIF) and choose the format: PCM — stereo (2.0). Auto (Dolby Digital) for multi-channel sound (5.1). Passthrough – Transmitting the original signal without processing.

⚠️ Note: If there is no sound after connecting, check:

• The cable is inserted before clicking (optics are sensitive to contamination - wipe the connectors with a dry cloth).
• The correct input (usually Optical or Digital) is selected on the receiver/columns.
• The TV settings do not activate HDMI ARC mode – it can conflict with optical output.

PCM (stereo)

Dolby Digital 5.1

DTS

I don't know what it is.

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Method 3: Connecting via HDMI ARC – for soundbars and receivers

Technology HDMI ARC (Audio Return Channel allows you to transmit sound from the TV to external devices through the same HDMI-This is a cable that's used to transmit an image, which is convenient if you already have a soundbar or a receiver connected through the phone. HDMI — No need to pull extra wires.

Instructions for setting:

1. Connect the soundbar/receiver to the HDMI ARC port on your TV (usually signed).
2. Turn on the device and set it to HDMI ARC (or TV ARC) mode.
3. On the TV, go to Settings → Sound → Out HDMI ARC and activate the option.
4. Select the sound format (Auto is recommended for automatic determination).

HDMI ARC on Xiaomi Mi TV 4S 43 supports only stereo sound (PCM) without multi-channel formats. If you need Dolby Digital 5.1, use optical output or HDMI eARC (but the latter is not supported by this TV model).

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If the audio is interrupted via HDMI ARC, try turning off the CEC function in the TV settings.

Method 4: Wireless Bluetooth connection for portable speakers

Xiaomi Mi TV 4S 43 supports Bluetooth 4.2, which allows you to connect wireless speakers, headphones and soundbars without wires. This is convenient for temporary use (for example, parties) or if you do not want to get confused in cables.

• 🔊 Sound is transmitted in format. SBC or AAC — quality is worse than wires.
• 🎮 Sound delay (~100–200 ms) visible in games or when watching videos.
• 🔋 Columns should support the profile A2DP (Most of the modern models have it).

How to connect:

1. Turn on the pairing mode on the speakers (usually hold the Pair or Bluetooth button until the indicator blinks).
2. On the TV, go to Settings → Devices → Bluetooth.
3. Select your column from the list and confirm your connection.
4. In the sound settings (Settings → Sound → Output), select Bluetooth.

⚠️ Warning: If the sound is interrupted or lost, try it:

• Reduce the distance between the TV and the speaker (maximum 10 meters without obstacles).
• Disable other Bluetooth devices (such as a gamepad or keyboard) that may cause interference.
• Restart the TV – sometimes the Bluetooth module will “hang” after prolonged use.

Method 5: Wi-Fi Connection (DLNA, Mi Home) – for Xiaomi smart speakers

If you have Xiaomi smart speakers (like Mi Smart Speaker or Redmi Soundbar), they can be connected to your TV via a local Wi-Fi network, which allows you to stream audio without delay and with better quality than Bluetooth. DLNA or the branded application Mi Home.

Step-by-step:

• 📱 Install the Mi Home app on your phone and add a column to the Xiaomi ecosystem.
• 📺 Connect your TV and speaker to the same Wi-Fi network (2.4 GHz or 5 GHz – it doesn’t matter).
• 🔊 In the settings of the TV go to Settings → Devices → Smart Home and Find Your Column.
• 🎵 Choose it as a sound output device.

Advantages of this method:

• 🎯 Low sound delay (~50 ms) compared to Bluetooth.
• 🔊 Support for high quality audio codecs (up to) 24-bit/96kHz).
• 📱 Control volume and equalizer through the Mi Home app.

⚠️ Attention: For work DLNA The TV should be on Miracast or Mi Share, and if the speaker doesn't show up in the list of devices, check it out:

• Both devices are connected to the same network (not the guest!).
• The column is enabled with DLNA or Multi-room.
• Updated firmware TV and speakers (in Mi Home check for updates).

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Wi-Fi connectivity is the best choice for Xiaomi’s smart speakers, but requires a stable local network. If the router reboots frequently, the sound will be interrupted.

Problem Resolving: No sound or poor quality

If the sound is missing or distorted after connecting the speakers, check the following points:

If the problem is not solved, reset the TV sound settings:

1. Go to Settings → Sound → additionally.
2. Select Resetting Sound Settings.
3. Confirm the action and restart the TV.

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If you've only got the optical speakers on the TV, check if the TV Speakers mode is activated in the audio settings. You need to manually turn it off.

FAQ: Frequent questions about connecting speakers to Xiaomi Mi TV 4S 43