Vizio V21-H8 vs Polk Audio Signa S3 review

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The Vizio V21-H8 vs Polk Audio Signa S3 comparison shows that these models have some important differences and common features. The Vizio V21-H8 was rated 5.5, while the Polk Audio Signa S3 has a rating 6.4. The soundbars are equipped with a different number of buttons, power, volume down, volume up, source, Bluetooth for the V21-H8 and power, source, demo, volume down, volume up for the Signa S3.

Audio features

Each of the models under consideration has active amplification type. By the number of channels, the devices do not differ. The built-in subwoofer is not implemented in any of these models. An external subwoofer connects to the V21-H8 via wired and wireless, but Signa S3 has wireless connection type. Rate 6 out of 10 received the Vizio V21-H8 for audio features and specs, but the Polk Audio Signa S3 received 4 out of 10.

Streaming services

The Signa S3 can play audio from Spotify.

Connectivity

Wireless Internet connection is realized only in the Signa S3. Soundbars from this comparison have Bluetooth support. There are 0/1 HDMI inputs/outputs in the Vizio V21-H8 versus 1/0 HDMIs in the Polk Audio Signa S3. As in the V21-H8, so in the Signa S3 there is the HDMI Audio Return Channel (ARC). Connecting devices via USB is possible in both models. We rated the connectivity of the V21-H8 at 6 out of 10, while the Signa S3 was rated 5/10. Each of the soundbars can be controlled using the application. The soundbars in this review are equipped with a microphone. The models under consideration cannot become part of a multiroom system.

Multichannel surround

Dolby Atmos audio decoder support is not implemented in either the V21-H8 or Signa S3. Devices from this comparison cannot process surround sound due to lack of DTS:X. The V21-H8 was rated 5/10, while the Signa S3 received a mark of 4/10 for multichannel surround.

Advantages Polk Audio Signa S3 over Vizio V21-H8