Most importantly, high-quality models of these devices have become more affordable than in the past, with prices starting at $130.

Diverse Options

It's important to note the substantial difference between a smart TV and a smart sound device; the former includes built-in streaming applications, while the latter features a smart assistant (such as Google or Alexa), aside from the "Roku Streambar" and "Streambar Pro" which are equipped with both streaming apps and an optional smart assistant.

These soundbars are compatible with most smart and non-smart TVs.

For those seeking a device that includes a sound amplifier for streaming and a voice assistant, below are the top three choices in this category.

Roku Streambar - Best Smart Soundbar.

The Roku Streambar connects to the TV via an ARC-type high-definition multimedia interface port, functioning as both a 4K streaming device and a soundbar. It is characterized by easy setup and tuning, producing good-quality sound especially in dialogues. To add a touch of true smart functionality, the device includes the "Voice Remote Pro" ($30) feature, providing an active voice assistant to help you find new shows and even your remote control.

Pros:

- Compact design and easy setup.

- Affordable price.

- Excellent dialogue reproduction.

- Superior Roku experience.

Cons:

- Lacks bass in movies and music.

Great Sound for Music

Yamaha YAS - 209 - Best Smart Soundbar with Dual Function.

The Yamaha YAS - 209 delivers excellent sound quality in a compact design, equipped with an integrated Alexa assistant. Its microphones perform admirably in loud environments, useful for music streaming. This device offers "DTS Virtual:X" for surround sound processing in addition to a wireless subwoofer. However, it is noteworthy that the device does not use Yamaha's "MusicCast" system, meaning it cannot be synchronized with other Yamaha sound speakers.

Pros:

- Excellent sound in a compact size.

- Amazon Alexa assistant.

- "DTS Virtual:X" technology.

- Subwoofer included.

Cons:

- Lacks a display.

Sonos Arc - Best Single-Function Sound Device with "Dolby Atmos" Technology.

The Sonos Arc offers a range of upgrades over its predecessor "Sonos Beam," most notably the use of "Dolby Atmos" technology for immersive sound, ideal for movies, in addition to more drivers and better bass performance. Furthermore, it allows you to choose your preferred voice assistant and offers an optimal music streaming experience.

Pros:

- Exceptional sound in movies and music.

- Complete unit without the need for an external subwoofer.

- Numerous features including voice assistant and multi-room music.

Cons:

- Single ARC-type high-definition multimedia interface port.

- Higher price than its competitors.

- Lacks Bluetooth connectivity for streaming.