The VIZIO SB2821-D6 vs Sony HT-X8500 comparison proves that these soundbars have many common features. Based on our rating, SB2821-D6 has a total rating of 4.8 out of 10 versus 6 for HT-X8500. The competitors' control buttons are different: power, input, Bluetooth, volume down, volume up and power, volume down, volume up, input, Bluetooth, respectively.
Both soundbars have active amplification type. Soundbars have the same number of channels on 2.1. Only the Sony HT-X8500 has a built-in subwoofer. Both models received our 6 rating of 10 for their audio features and specs.
Soundbars do not have AirPlay support. Spotify support not implemented in both soundbars.
Both models do not have WI-FI support. Rivals from our review have Bluetooth support. Only the HT-X8500 supports HDMI Audio Return Channel (ARC). Both soundbars have a USB connector. For connectivity, the SB2821-D6 received a rating of 4/10 versus 8/10, respectively.
Compared soundbars have no app control. None of the models under consideration have a built-in microphone. Soundbars do not have Multi-room support.
Only the HT-X8500 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the HT-X8500. For multichannel surround VIZIO SB2821-D6 got a rating of 5, and Sony HT-X8500 10 out of 10.