Yamaha YAS-209 vs Denon DHT-S217 comparison definitely makes sense. Based on our rating, YAS-209 has a total rating of 8.2 out of 10 versus 4.8 for DHT-S217. The competitors' control buttons are different: power, source, demo, volume down, volume up, microphone mute and power, source, demo, volume down, volume up, respectively.
Both soundbars have active amplification type. Soundbars have the same number of channels on 2.1. The output power is different and equal to 200 (overall) W for the YAS-209 versus 40 (overall) W for the DHT-S217. Only the Denon DHT-S217 has a built-in subwoofer. The YAS-209 has a wireless connection to separate subwoofer, and the DHT-S217 - wired. The Yamaha YAS-209 got our rating of 6 out of 10, and the Denon DHT-S217 4 for its 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. Each soundbar has 1/1 HDMI inputs/outputs. The HDMI Audio Return Channel (ARC) feature supports both devices. For connectivity, the YAS-209 received a rating of 8/10 versus 7/10, respectively.
App control is available in every soundbar. A built-in microphone is present only on the YAS-209. Soundbars do not have Multi-room support.
Only the DHT-S217 has a Dolby Atmos multichannel audio format support. The soundbars do not support the surround sound technology DTS:X. For multichannel surround Yamaha YAS-209 got a rating of 8, and Denon DHT-S217 5 out of 10.