It makes sense comparing Polk Audio Command Bar vs Samsung HW-A450 because they both are able to give some premium features. Based on our rating, Command Bar has a total rating of 6.6 out of 10 versus 4 for HW-A450. The competitors' control buttons are different: volume down, volume up, microphone, action 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 160 (overall) W for the Command Bar versus 300 (overall) W for the HW-A450. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate subwoofer. The Polk Audio Command Bar got our rating of 6 out of 10, and the Samsung HW-A450 5 for its audio features and specs.
Soundbars do not have AirPlay support. Spotify support is available on the Command Bar.
Both models do not have WI-FI support. Rivals from our review have Bluetooth support. Only the Command Bar supports HDMI Audio Return Channel (ARC). For connectivity, the Command Bar received a rating of 7/10 versus 5/10, respectively. Compared soundbars have no app control. A built-in microphone is present only on the Command Bar. Multi-room is only available for the Polk Audio Command 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 Command Bar got a rating of 5, and Samsung HW-A450 6 out of 10.