It makes sense comparing Polk Audio SIGNA S2 vs Samsung HW-N850 because they both are able to give some premium features. Based on our rating, SIGNA S2 has a total rating of 5 out of 10 versus 8.6 for HW-N850. The competitors' control buttons are different: power, volume down, volume up, source, Bluetooth and power, input, volume down, volume up, 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 5.1.2 for the Samsung HW-N850. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate subwoofer. The Polk Audio SIGNA S2 got our rating of 6 out of 10, and the Samsung HW-N850 7 for its audio features and specs.
Each of rivals supports AirPlay. Spotify support is available on the HW-N850.
Only the Samsung HW-N850 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 2/0 of the Samsung HW-N850. The HDMI Audio Return Channel (ARC) feature supports both devices. For connectivity, the SIGNA S2 received a rating of 6/10 versus 7/10, respectively. App control is available for the HW-N850. A built-in microphone is present only on the HW-N850. Multi-room is only available for the Samsung HW-N850.
Only the HW-N850 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the HW-N850. For multichannel surround Polk Audio SIGNA S2 got a rating of 4, and Samsung HW-N850 9 out of 10.