An affordable soundbar is always a good option to consider, so Vizio V51-H6 vs Denon Home Sound Bar 550 comparison definitely makes sense. Based on our rating, V51-H6 has a total rating of 6 out of 10 versus 7.4 for Home Sound Bar 550. The competitors' control buttons are different: power, volume down, volume up, source, Bluetooth and power, source, demo, volume down, volume up, respectively.
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the Vizio V51-H6 has 5.1 versus 2.1 for the Denon Home Sound Bar 550. Competitors do not have a built-in subwoofer. The V51-H6 has a wired and wireless connection to separate subwoofer, and the Home Sound Bar 550 - wired. The Vizio V51-H6 got our rating of 7 out of 10, and the Denon Home Sound Bar 550 4 for its audio features and specs.
Spotify support is available on the Home Sound Bar 550.
Only the Denon Home Sound Bar 550 can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. The Vizio V51-H6 has 0/1 HDMI inputs/outputs versus 1/1 of the Denon Home Sound Bar 550. The HDMI Audio Return Channel (ARC) feature supports both devices. Both soundbars have a USB connector. For connectivity, the V51-H6 received a rating of 6/10 versus 8/10, respectively. App control is available in every soundbar. A built-in microphone is present in each model. Soundbars do not have Multi-room support.
Only the Home Sound Bar 550 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the Home Sound Bar 550. For multichannel surround Vizio V51-H6 got a rating of 5, and Denon Home Sound Bar 550 6 out of 10.