The Polk Audio Command Bar vs Polk Audio Signa S3 comparison shows that these models have some important differences and common features. The Polk Audio Command Bar was rated 6.6, while the Polk Audio Signa S3 has a rating 6.4. The soundbars are equipped with a different number of buttons, volume down, volume up, microphone, action for the Command Bar and power, source, demo, volume down, volume up for the Signa S3.
Each of the models under consideration has active amplification type. By the number of channels, the devices do not differ. The built-in subwoofer is not implemented in any of these models. An external subwoofer can be connected to any of the units in this comparison. Rate 6 out of 10 received the Polk Audio Command Bar for audio features and specs, but the Polk Audio Signa S3 received 4 out of 10.
Each of the competitors can play content from Spotify.
Wireless Internet connection is realized only in the Signa S3. Soundbars from this comparison have Bluetooth support. There are 1/1 HDMI inputs/outputs in the Polk Audio Command Bar versus 1/0 HDMIs in the Polk Audio Signa S3. As in the Command Bar, so in the Signa S3 there is the HDMI Audio Return Channel (ARC). Connecting devices via USB is possible in both models. We rated the connectivity of the Command Bar at 7 out of 10, while the Signa S3 was rated 5/10. The manufacturer of the Signa S3 provides a device control application. The soundbars in this review are equipped with a microphone. The Polk Audio Command Bar may become part of a multiroom system.
Dolby Atmos audio decoder support is not implemented in either the Command Bar or Signa S3. Devices from this comparison cannot process surround sound due to lack of DTS:X. The Command Bar was rated 5/10, while the Signa S3 received a mark of 4/10 for multichannel surround.