Buying guide

Your TV's sound: do you need a soundbar?

TVs have never been so slim, and that's exactly what hurts the sound. Muffled dialogue, missing bass: don't worry, there's a simple fix, and it doesn't necessarily cost much.

By Clément, TV specialist at Nimestore · 2 min read · Published 16 October 2026
In brief
  • A slim TV has small speakers : the advertised wattage matters little
  • A soundbar mainly improves dialogue and bass
  • Connect it via HDMI eARC for Dolby Atmos
  • Same brand as the TV = bonus features (Q-Symphony, WOW Orchestra…)

Why TVs sound worse than they used to

An OLED TV can be less than 3 cm thick. There's no room for large speakers or a resonance chamber: bass is lacking, and voices get lost in music and effects. Manufacturers compensate with digital processing and speakers firing upwards or backwards, but physics has its limits.

The watts quoted (20, 40, 70 W) say little about quality. What matters: the enclosure volume behind the speakers and the presence of a subwoofer.

TV and soundbar from the same brand can work together (here Samsung Q-Symphony).
TV and soundbar from the same brand can work together (here Samsung Q-Symphony).

What a soundbar and a subwoofer change

  • Clear dialogue thanks to a centre channel dedicated to voices.
  • Deeper bass that add depth to films, music and games.
  • A wider sound, even overhead with Dolby Atmos.
  • More consistent volume : no more reaching for the remote between dialogue and action scenes (night mode).

Key terms

TermWhat it means
HDMI eARCThe HDMI port that sends TV sound (and anything connected to it) to the soundbar, in high definition and Dolby Atmos. One remote for everything.
Dolby AtmosThree-dimensional sound, with effects coming from above. It needs upward-firing speakers for a true effect.
DTS:XDolby Atmos's rival, mainly found on Blu-rays. Not supported by every TV: check whether you're a Blu-ray fan.
2.1, 3.1, 5.1.2The number of channels. Example: 3.1.2 = left, centre, right + subwoofer + 2 upward-firing speakers.
SubwooferA separate unit for low frequencies. Often wireless: just plug it into a power socket.

Bonus features when the soundbar and TV are from the same brand

BrandFeatureWhat it does
SamsungQ-SymphonyThe TV and soundbar speakers play together for more immersive sound.
LGWOW OrchestraSame principle: the TV and soundbar share the work.
SonyAcoustic Center SyncThe TV becomes the centre channel: voices come from the screen.
PhilipsAmbilight + FidelioPhilips soundbars that extend the Ambilight.
C
Clément's tip

For everyday TV and news, a 3.1 soundbar with a subwoofer is enough. For films and series, step up to a 3.1.2 or 5.1.2 Dolby Atmos system. And if someone at home struggles to hear dialogue, this is the first accessory I recommend, even before buying a pricier TV.

How to connect it properly

  1. Connect the soundbar to the HDMI eARC TV's socket (using a recent HDMI cable).
  2. Plug your devices (console, box, player) into the TV, not the soundbar.
  3. In the TV's sound settings, choose the output HDMI eARC and the format Car or Passthrough.
  4. Turn on HDMI-CEC (Anynet+ on Samsung, Simplink on LG, Bravia Sync on Sony, EasyLink on Philips) to control the volume with the TV remote.

Soundbars and home cinema packages are in our Home cinema.

Frequently asked questions

Can I connect a soundbar from a different brand?

Yes, all HDMI eARC soundbars work with all recent TVs, and the TV remote controls the volume. The bonus features (combined TV and soundbar sound), however, require the same brand.

eARC or optical?

eARC (HDMI), without hesitation: it carries Dolby Atmos and high-definition audio, and lets you control everything with a single remote. Optical is limited to compressed sound.

What are 3.1.2 or 5.1.2?

The first number counts the front and surround channels (left, centre, right, rear), the second the subwoofer, and the third the upward-firing speakers for Dolby Atmos.

Is a soundbar to hear voices better useful for an elderly person?

Very useful. Choose a model with a real centre channel and a "Voice" or "Dialogue" mode. The difference is immediate.

Need advice?

Come and compare the screens in person

At our Temploux shop, we switch on TVs side by side with your content. Or ask our expert salesperson online, right now.

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