Yamaha YAS-109 vs Polk Audio SIGNA S2 comparison definitely makes sense. Based on our rating, YAS-109 has a total rating of 8 out of 10 versus 5 for SIGNA S2. The competitors' control buttons are different: power, source, demo, volume down, volume up, microphone mute 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. Only the Yamaha YAS-109 has a built-in subwoofer. The YAS-109 has a wired connection to separate subwoofer, and the SIGNA S2 - wireless. The Yamaha YAS-109 got our rating of 5 out of 10, and the Polk Audio SIGNA S2 6 for its audio features and specs. Spotify support is available on the YAS-109.
Only the Yamaha YAS-109 can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. The Yamaha YAS-109 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 YAS-109 received a rating of 8/10 versus 6/10, respectively.
App control is available for the YAS-109. A built-in microphone is present only on the YAS-109. 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 Yamaha YAS-109 got a rating of 8, and Polk Audio SIGNA S2 4 out of 10.