It makes sense comparing Polk Audio SIGNA S2 vs Sonos Playbar because they both are able to give some premium features. Based on our rating, SIGNA S2 has a total rating of 5 out of 10 versus 5.5 for Playbar. The competitors' control buttons are different: power, volume down, volume up, source, Bluetooth and play/pause, volume up, volume down, 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 3.0 for the Sonos Playbar. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate subwoofer. The Polk Audio SIGNA S2 got our rating of 6 out of 10, and the Sonos Playbar 7 for its audio features and specs.
The Polk Audio SIGNA S2 has support AirPlay, and its competitor in our comparison has AirPlay 2. Spotify support is available on the Playbar.
Only the Sonos Playbar can connect to the Internet via WI-FI. 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 SIGNA S2 received a rating of 6/10 versus 3/10, respectively.
App control is available for the Playbar. 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.