It makes sense comparing Polk Audio SIGNA S2 vs Sony HT-G700 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 6.2 for HT-G700. The competitors' control buttons are different: power, volume down, volume up, source, Bluetooth and power, volume down, volume up, input, Bluetooth, 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 3.1 for the Sony HT-G700. 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 Sony HT-G700 7 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 Polk Audio SIGNA S2 has 1/0 HDMI inputs/outputs versus 1/1 of the Sony HT-G700. The HDMI Audio Return Channel (ARC) feature supports both devices. For connectivity, the SIGNA S2 received a rating of 6/10 versus 8/10, 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.
Only the HT-G700 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the HT-G700. For multichannel surround Polk Audio SIGNA S2 got a rating of 4, and Sony HT-G700 10 out of 10.