The Polk Audio SIGNA S2 vs VIZIO SB3820-C6 comparison proves that these soundbars have many common features. Based on our rating, SIGNA S2 has a total rating of 5 out of 10 versus 4.6 for SB3820-C6. The competitors' control buttons are different: power, volume down, volume up, source, Bluetooth and power, input, Bluetooth, volume down, volume up, respectively.
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the Polk Audio SIGNA S2 has 2.1 versus 2.0 for the VIZIO SB3820-C6. Competitors do not have a built-in subwoofer. The Polk Audio SIGNA S2 got our rating of 6 out of 10, and the VIZIO SB3820-C6 5 for its audio features and specs. Both models do not support Google Play Music. Spotify support not implemented in both soundbars.
Both models do not have WI-FI support. Rivals from our review have Bluetooth support. Only the SIGNA S2 supports HDMI Audio Return Channel (ARC). For connectivity, each of the soundbars received a rating of 6/10.
App control is available for the SB3820-C6. None of the models under consideration have a built-in microphone. Soundbars do not have Multi-room support.
None of soundbars equipped with Dolby Atmos multichannel audio decoder. The soundbars do not support the surround sound technology DTS:X. Compared devices do not have DTS Virtual:X support. For multichannel surround Polk Audio SIGNA S2 got a rating of 4, and VIZIO SB3820-C6 2 out of 10.
The Polk Audio SIGNA S2 is better soundbar in this comparison. Check Polk Audio SIGNA S2 price