The Polk Audio SIGNA S2 vs Denon HEOS BAR comparison proves that these soundbars have many common features. Based on our rating, SIGNA S2 has a total rating of 5 out of 10 versus 7 for HEOS BAR. The competitors' control buttons are different: power, volume down, volume up, source, Bluetooth and volume down, volume up, sound off, 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 3.0 for the Denon HEOS BAR. 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 HEOS BAR.
Both models do not have WI-FI support. Rivals from our review have Bluetooth support. The Polk Audio SIGNA S2 has 1/0 HDMI inputs/outputs versus 4/1 of the Denon HEOS BAR. 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 HEOS BAR. A built-in microphone is present only on the HEOS BAR. Multi-room is only available for the Denon HEOS BAR.
None of soundbars equipped with Dolby Atmos multichannel audio decoder. The soundbars do not support the surround sound technology DTS:X. For multichannel surround Polk Audio SIGNA S2 got a rating of 4, and Denon HEOS BAR 5 out of 10.