LG SL5Y vs Polk Audio SIGNA S2 comparison definitely makes sense. Based on our rating, both soundbars have the same overall rating of 5. The competitors' control buttons are different: power, volume down, volume up, function 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 LG SL5Y got our rating of 7 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. The LG SL5Y has 1/1 HDMI inputs/outputs versus 1/0 of the Polk Audio SIGNA S2. The HDMI Audio Return Channel (ARC) feature supports both devices. For connectivity, the SL5Y received a rating of 7/10 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 LG SL5Y got a rating of 6, and Polk Audio SIGNA S2 4 out of 10.