KEF HTF7003 vs Polk Audio SIGNA S2 comparison definitely makes sense. Based on our rating, both soundbars have the same overall rating of 5.
The KEF HTF7003 has the passive amplification type, the Polk Audio SIGNA S2 - active. A significant difference between the units in the number of channels, the KEF HTF7003 has 3.0 versus 2.1 for the Polk Audio SIGNA S2. Competitors do not have a built-in subwoofer. Both models received our 6 rating of 10 for their audio features and specs. Spotify support not implemented in both soundbars.
Both models do not have WI-FI support. Only the SIGNA S2 has Bluetooth support. Only the SIGNA S2 supports HDMI Audio Return Channel (ARC). The compared models do not have a USB connector. For connectivity, the HTF7003 received a rating of 4/10 versus 6/10, respectively.
Compared soundbars have no app control. None of the models under consideration have a built-in microphone. 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.