Polk Audio Command Bar vs JBL BAR 300 comparison definitely makes sense. Based on our rating, Command Bar has a total rating of 6.6 out of 10 versus 8.4 for BAR 300. The competitors' control buttons are different: volume down, volume up, microphone, action and power, 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 Command Bar has 2.1 versus 5.0 for the JBL BAR 300. The output power is different and equal to 160 (overall) W for the Command Bar versus 260 (overall) W for the BAR 300. 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 is available on each of the soundbars.
Only the JBL BAR 300 can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Each soundbar has 1/1 HDMI inputs/outputs. The HDMI Audio Return Channel (ARC) feature supports both devices. Both soundbars have a USB connector. For connectivity, the Command Bar received a rating of 7/10 versus 10/10, respectively. App control is available for the BAR 300. A built-in microphone is present in each model. Multi-room is only available for the Polk Audio Command Bar.
Only the BAR 300 has a Dolby Atmos multichannel audio format support. The soundbars do not support the surround sound technology DTS:X. For multichannel surround Polk Audio Command Bar got a rating of 5, and JBL BAR 300 7 out of 10.