ZVOX SB380 vs Polk Audio SIGNA S2 comparison definitely makes sense. Based on our rating, SB380 has a total rating of 4 out of 10 versus 5 for SIGNA S2. The competitors' control buttons are different: power, volume down, volume up, input and power, volume down, volume up, source, Bluetooth, respectively.
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the ZVOX SB380 has 3.1 versus 2.1 for the Polk Audio SIGNA S2. Only the ZVOX SB380 has a built-in subwoofer. Both models received our 6 rating of 10 for their audio features and specs. Spotify support not implemented in both soundbars.
Both models do not have WI-FI support. Only the SIGNA S2 has Bluetooth support. Only the SIGNA S2 supports HDMI Audio Return Channel (ARC). The compared models do not have a USB connector. For connectivity, the SB380 received a rating of 4/10 versus 6/10, 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.
None of soundbars equipped with Dolby Atmos multichannel audio decoder. The soundbars do not support the surround sound technology DTS:X. For multichannel surround, each of the opponents received 4 points out of 10.