The flat Polk delivered astonishingly spatial sound far beyond the TV screen - even without Atmos. If dialogue is lost in the action, it can be amplified in three stages via "Voice Adjust" - somewhat nasally distorted, but helpful. Music can be played via Bluetooth.

Soundbars and soundplates are speakers that have been developed specifically for use with TVs. We were stricter in our assessment than with televisions. We do not only expect good music and speech reproduction from soundbars. Film effects and compressed streams via Bluetooth must also be well implemented...

If you don't plan on integrating your soundbar tightly into your smart home, but simply want a speaker that will enhance your movie and TV nights, you can't go far wrong with the Polk Signa S4. With the Dolby Atmos feature, it's also one of the most affordable models to have surround sound for a price of 349 euros...