Polk Audio Signa S3 vs Denon DHT-S217 comparison definitely makes sense. Based on our rating, Signa S3 has a total rating of 6.4 out of 10 versus 4.8 for DHT-S217. The set of control buttons for competitors is the same and is: power, source, demo, volume down, volume up.
Both soundbars have active amplification type. Soundbars have the same number of channels on 2.1. Only the Denon DHT-S217 has a built-in subwoofer. The Signa S3 has a wireless connection to separate subwoofer, and the DHT-S217 - wired. Both models received our 4 rating of 10 for their audio features and specs.
Spotify support is available on the Signa S3.
Only the Polk Audio Signa S3 can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. The Polk Audio Signa S3 has 1/0 HDMI inputs/outputs versus 1/1 of the Denon DHT-S217. The HDMI Audio Return Channel (ARC) feature supports both devices. For connectivity, the Signa S3 received a rating of 5/10 versus 7/10, respectively.
App control is available in every soundbar. A built-in microphone is present only on the Signa S3. 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 Polk Audio Signa S3 got a rating of 4, and Denon DHT-S217 5 out of 10.