Vizio M21d-H8 vs Denon DHT-S517 review

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The present review is aimed to compare two soundbars - Vizio M21d-H8 vs Denon DHT-S517 that are meant to satisfy the needs of cinema and music lovers. Based on our rating, M21d-H8 has a total rating of 5 out of 10 versus 5.4 for DHT-S517. The competitors' control buttons are different: power, volume down, volume up, source, Bluetooth and power, source, demo, volume down, volume up, respectively.

Audio features

Both soundbars have active amplification type. A significant difference between the units in the number of channels, the Vizio M21d-H8 has 2.1 versus 3.1.2 for the Denon DHT-S517. Only the Vizio M21d-H8 has a built-in subwoofer. Both models received our 5 rating of 10 for their audio features and specs.

Streaming services

Soundbars do not have AirPlay support. Spotify support not implemented in both soundbars.

Connectivity

Both models do not have WI-FI support. Rivals from our review have Bluetooth support. Each soundbar has 1/1 HDMI inputs/outputs. The HDMI Audio Return Channel (ARC) feature supports both devices. For connectivity, the M21d-H8 received a rating of 6/10 versus 7/10, respectively. App control is available for the DHT-S517. A built-in microphone is present only on the M21d-H8. Soundbars do not have Multi-room support.

Multichannel surround

Only the DHT-S517 has a Dolby Atmos multichannel audio format support. The soundbars do not support the surround sound technology DTS:X. For multichannel surround Vizio M21d-H8 got a rating of 5, and Denon DHT-S517 7 out of 10.

Advantages Vizio M21d-H8 over Denon DHT-S517

Advantages Denon DHT-S517 over Vizio M21d-H8