Yamaha YAS-209 vs Polk Audio SIGNA S2 comparison definitely makes sense. Based on our rating, YAS-209 has a total rating of 6.4 out of 10 versus 5 for SIGNA S2. The competitors' control buttons are different: power, volume down, volume up, input, microphone and power, volume down, volume up, source, Bluetooth, respectively.
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the Yamaha YAS-209 has 2.0 versus 2.1 for the Polk Audio SIGNA S2. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate subwoofer. Both models received our 6 rating of 10 for their audio features and specs. Spotify support is available on the YAS-209.
Only the Yamaha YAS-209 can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. The Yamaha YAS-209 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-209 received a rating of 7/10 versus 6/10, respectively. App control is available for the YAS-209. A built-in microphone is present only on the YAS-209. 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-209 got a rating of 6, and Polk Audio SIGNA S2 4 out of 10.