Xiaomi Redmi TV Soundbar MDZ-34-DA: how to connect to a TV - all ways

The Xiaomi Redmi TV Soundbar MDZ-34-DA is a compact speaker system with support for Dolby Audio, DTS Virtual:X and 34 watts, which can transform the sound of even a budget TV. However, many users face difficulties when connecting for the first time: sound is not transmitted, there are delays, then the device is not detected. In this article, we will discuss all possible ways to connect the soundbar to the TV, from classic HDMI ARC to wireless Bluetooth, and also tell you how to adjust the sound for the perfect theatrical effect.

The MDZ-34-DA is versatile: it is compatible not only with Xiaomi TVs, but also with other brands (Samsung, LG, Sony), and the key is to choose the right connection method and take into account the nuances of settings, and if you just unpack the soundbar or try to reconnect it after reset, this guide will help avoid typical errors.

๐Ÿ“Š What brand is your TV?
Xiaomi
Samsung
LG
Sony
TCL
Other

1. Soundbar preparation for connection: unpacking and first steps

Before you connect the Redmi TV Soundbar MDZ-34-DA to your TV, make sure the device is ready to go.

  • ๐Ÿ“ฆ Soundbar with protective film (removal is mandatory - it can block touch buttons).
  • ๐Ÿ”Œ Power cable (type depends on the region - in Russia usually EU-village).
  • ๐Ÿ“ถ Cable HDMI (Some of the boxes may not be available โ€“ check the box).
  • ๐Ÿ“„ Short instructions in several languages (Russian is usually present).
  • ๐Ÿ”ง Fixtures for wall mounting (if you plan to hang a soundbar under the TV).

First turn on: connect the power cable to the soundbar and the socket. On the front panel, a white indicator will light up, which means that the device is in standby mode (๐Ÿ”…) Soundbar will give you a short beep, and it's now ready to connect.

โš ๏ธ Warning: If the indicator flashes red or doesn't light up at all, check the integrity of the power cable and try another outlet. In rare cases, this may indicate a power supply failure - contact the Xiaomi service center with a check to buy.

Arrange the soundbar so that:

  • ๐Ÿ”Š It was in the center of the TV (for uniform distribution of sound).
  • ๐Ÿ“ The distance to the walls was at least 10-15 cm (otherwise the bass will be deafยป).
  • ๐Ÿ“บ Nothing blocked the infrared receiver (if you use the remote).

2. Connection via HDMI ARC is the best way for modern TVs

HDMI ARC (Audio Return Channel) is the most reliable and functional connection.

  • ๐ŸŽต Transmit sound from TV to soundbar without additional cables.
  • ๐Ÿ”„ Control the soundbar volume from the TV remote (if the TV supports) CEC).
  • ๐Ÿ“บ Automatically turn on/off the soundbar with the TV.

Step-by-step:

  1. Find the HDMI ARC port on your TV (usually signed with the corresponding inscription). On the MDZ-34-DA soundbar, this is the HDMI OUT (ARC) connector.
  2. Connect devices with an HDMI cable (preferably version 1.4 or higher).
  3. Turn on the TV and soundbar.
  4. On the TV remote, press the Source (or Input) button and select the HDMI ARC port.
  5. Go to the settings of the TV: Settings โ†’ Sound โ†’ Output โ†’ HDMI ARC Set the setting on or ARC.

HDMI ARC port found on TV| HDMI cable connected to ARC connector on soundbar | TV settings select audio output via HDMI ARC| Soundbar is on and in HDMI-->

If the sound doesn't come up,

  • ๐Ÿ”„ Restart both devices (turn off the socket for 30 seconds).
  • ๐Ÿ”ง Check if your TV supports you. HDMI ARC (It is relevant for models older than 2015).
  • ๐Ÿ“ถ Try another cable. HDMI (Sometimes cheap cables don't support ARC).

โš ๏ธ Note: Some Samsung TVs and LG function ARC It could be called Anynet.+ Or Simplink. Activate it in the settings menu.

3. Wireless Bluetooth connection: fast and wireless

If your TV supports Bluetooth, you can wire-free connect the soundbar.

  • ๐Ÿ“ฑ Using a soundbar with a laptop or smartphone.
  • ๐ŸŽฎ Connections to gaming consoles (PS5, Xbox).
  • ๐Ÿ“บ Televisions without port HDMI ARC or.

How to connect:

  1. Activate the pairing mode on the soundbar: press the Bluetooth button (๐Ÿ“ถ) 3-5 seconds until the indicator starts flashing blue.
  2. On TV, go to: Settings โ†’ Connections โ†’ Bluetooth Select from the list the Redmi TV Soundbar device.
  3. Confirm the conjugation (if required) PIN-code, try 0000 or 1234).

Once successfully connected, the soundbar will automatically play back sound from the TV.

  • โšก Lag (sound delay) can reach 100-200 ms โ€“ this is critical for movies and games.
  • ๐Ÿ”Š The sound quality is worse than the HDMI ARC (No support for Dolby Digital).
  • ๐Ÿ“ต When there is a lot of interference (for example, from a Wi-Fi router), the connection may be interrupted.

๐Ÿ’ก

If the Bluetooth sound is interrupted, try moving the router away from the soundbar or switch it to 5GHz (less loaded).

If your TV doesn't support HDMI ARC, but you have an Optical port (TOSLINK), this is the best solution. It transmits sound digitally without loss, but has limitations:

  • ๐Ÿ”‡ Does not support feedback (cannot control the soundbar from the remote TV).
  • ๐ŸŽš๏ธ No Dolby Atmos (Dolby Digital only) PCM).

Instructions:

  1. Connect the TV and soundbar with an optical cable (not always included โ€“ you may need to buy).
  2. On the soundbar, press the Input button (๐Ÿ”˜) Select Optical mode (the indicator will light up in orange).
  3. On your TV, set the output via the optical port: Settings โ†’ Sound โ†’ Digital output (Optical) โ†’ PCM or Dolby Digital
ParameterPCMDolby Digital
Sound qualityStereo (2.0)Volume (5.1)
Delay.MinimumMaybe noticeable.
CompatibilityAll devices.Only with Dolby support.
RecommendationFor music.For movies.

โš ๏ธ Warning: If there is no sound after you connect, check to see if the optical port is closed with a protective plug (it is on new TVs). Also make sure that the cable is inserted before you click - it should sit tightly.

5. Connection via AUX (3.5 mm): universal, but with loss of quality

AUX (3.5 mm) connector is available on almost any TV, but this method has significant disadvantages:

  • ๐Ÿ”Š Sound is transmitted in analog format โ€“ high and low frequencies are lost.
  • ๐Ÿ“ถ Cables can cause interference (especially if they are placed next to power wires).
  • ๐Ÿ”‡ No surround sound support.

How to connect:

  1. Connect the AUX OUT port on your TV to the AUX IN connector on the soundbar (the cable usually comes with the kit).
  2. On the soundbar, click Input and select AUX mode (the indicator will light up in green).
  3. Adjust the volume on the TV by 50-70% โ€“ then control the sound buttons on the soundbar.
Why doesn't it work? AUX-connection?
If there is no sound, check: 1. Integrity of the cable - often rubbed at the connector. 2. Volume on TV - some models turn off AUX-output at zero volume. 3. Soundbar mode - it should be able to AUX IN, Not Bluetooth or Optical. 4. Port to TV - some TVs have separate sets. AUX OUT for headphones that may conflict with soundbar.

This is a good way to watch news or music, but for movies it is better to use HDMI ARC or Optical.

6. Sound adjustment after connection: how to achieve the perfect sound

Even after a successful connection, the sound may seem flat or unbalanced.To optimize the sound of the Redmi TV Soundbar MDZ-34-DA, follow the following steps:

  • ๐ŸŽ›๏ธ Select the sound mode: Movie for movies (boosts bass and mid-ranges); Music for listening to music (expands stereo); News for speech (suppresses noise, amplifies voices); Game for games (minimizes latency); Sound Mode switches (๐ŸŽต) panel-board.
  • ๐Ÿ”Š Adjust the equalizer: some soundbar firmwares have Bass and Treble settings available. Optimal values: Bass (Bass): +2โ€“+4 (for movies) Top frequencies (Treble): 0 or +1 (so that your ears don't get cut).
  • ๐Ÿ“ป Activate virtual surround: in the soundbar menu (if any) turn on DTS Virtual:X will create a surround sound effect even without the rear speakers.

For Xiaomi TVs, it is additionally recommended:

  1. Go to Settings โ†’ Sound โ†’ additionally.
  2. Set sound mode: Theatre.
  3. Turn off Volume Auto-setting (it smooths the dynamics).

๐Ÿ’ก

For better sound, place the soundbar at a distance of 20-30 cm from the wall โ€“ this will prevent echoes and improve bass.

7. Troubleshooting: Why there is no sound or it is interrupted

If the sound is absent after the connection or is not working correctly, use this table for diagnosis:

Problem.Possible causeDecision
No sound through HDMI ARCARC disabled in TV settingsInclude HDMI CEC and ARC in the TV menu
The sound is interrupted by BluetoothInterference from Wi-Fi or other devicesMove your router or switch to 5GHz
Sound delay (lag)Incompatibility of codecsIn the TV settings, select PCM instead of Dolby.
Soundbar's not includedFirmware failureReset settings with the Reset button (๐Ÿ”„) back-panel
Quiet soundVolume limitation on TVTurn off Auto Volume Limitation in Sound Settings

If the problem is not resolved:

  1. Update the soundbar firmware through the Mi Home app (if available for your model).
  2. Check the soundbar on another device (for example, connect to your smartphone via Bluetooth).
  3. Contact Xiaomi for support with the TV model and connection method.

8. Frequently Asked Questions (FAQ)

โ“ Can I connect to Xiaomi Redmi? TV Soundbar MDZ-34-DA to the old TV without HDMI?
Yes, it will work: Optical (if there is a port on TV). AUX 3.5 mm (universal version). RCA (tulips) - you need an RCA adapter โ†’ 3.5 mm. For TVs without digital outputs, AUX is optimal, but the sound quality will be worse than HDMI ARC.
โ“ Why the soundbar doesn't respond to the TV remote?
This is due to: No HDMI CEC support on your TV; Inactive ARC mode; Sync failure (helps reboot both devices); Check if Anynet+ (Samsung), Simplink (LG) or Bravia Sync (Sony) is enabled.
โ“ How to reset soundbar settings to factory?
To reset: Turn off the soundbar. Press the Bluetooth button (๐Ÿ“ถ) Input (๐Ÿ”˜) Keep the buttons on, play the soundbar (hold the light for 10 seconds until it flashes red) and after resetting, all the associated devices will be removed and the sound settings will return to the factory.
โ“ Can I use a soundbar with a computer or laptop?
Yes, connectivity is possible: Bluetooth (like a normal speaker); HDMI ARC (if there is a port on the PC); AUX 3.5 mm (sound card โ†’ soundbar); Optical requires an external sound card with TOSLINK output.
โ“ What is the best distance between soundbar and TV?
Placement recommendations: HDMI ARC/Optical: up to 10 meters (constrain cable length); Bluetooth: up to 10 meters without obstacles (walls reduce range); For better sound: the soundbar should be on the same level with the bottom edge of the TV or slightly lower.