VIZIO SB3821-C6 vs Polk Audio SIGNA S2 comparison definitely makes sense. Based on our rating, SB3821-C6 has a total rating of 4.5 out of 10 versus 5 for SIGNA S2. The competitors' control buttons are different: power, input, Bluetooth, volume down, volume up and power, volume down, volume up, source, Bluetooth, respectively.
Both soundbars have active amplification type. Soundbars have the same number of channels on 2.1. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate subwoofer. The VIZIO SB3821-C6 got our rating of 5 out of 10, and the Polk Audio SIGNA S2 6 for its audio features and specs. 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.
Compared soundbars have no app control. 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. For multichannel surround VIZIO SB3821-C6 got a rating of 5, and Polk Audio SIGNA S2 4 out of 10.