An affordable soundbar is always a good option to consider, so Polk Audio SIGNA S2 vs Yamaha YAS-109 comparison definitely makes sense. Based on our rating, SIGNA S2 has a total rating of 5 out of 10 versus 7 for YAS-109. The competitors' control buttons are different: power, volume down, volume up, source, Bluetooth and power, volume down, volume up, input, microphone, 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 2.0 for the Yamaha YAS-109. Only the Yamaha YAS-109 has a built-in subwoofer. The SIGNA S2 has a wireless connection to separate subwoofer, and the YAS-109 - wired and wireless. The Polk Audio SIGNA S2 got our rating of 6 out of 10, and the Yamaha YAS-109 7 for its audio features and specs. Both models do not support Google Play Music. 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 Polk Audio SIGNA S2 has 1/0 HDMI inputs/outputs versus 1/1 of the Yamaha YAS-109. The HDMI Audio Return Channel (ARC) feature supports both devices. For connectivity, the SIGNA S2 received a rating of 6/10 versus 9/10, 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. The YAS-109 supports DTS Virtual:X. For multichannel surround Polk Audio SIGNA S2 got a rating of 4, and Yamaha YAS-109 5 out of 10.
The Yamaha YAS-109 is better soundbar in this comparison. Check Yamaha YAS-109 price