The Bose Solo 5 vs Polk Audio Signa S3 comparison shows that these models have some important differences and common features. The Bose Solo 5 was rated 4, while the Polk Audio Signa S3 has a rating 6.4.
Each of the models under consideration has active amplification type. A noticeable difference is the number of channels that Solo 5 has 2.0 and Signa S3 has 2.1. The built-in subwoofer is not implemented in any of these models. Rate 5 out of 10 received the Bose Solo 5 for audio features and specs, but the Polk Audio Signa S3 received 4 out of 10.
The Signa S3 can play audio from Spotify.
Wireless Internet connection is realized only in the Signa S3. Soundbars from this comparison have Bluetooth support. The HDMI Audio Return Channel (ARC) is implemented only in the Signa S3. We rated the connectivity of the Solo 5 at 3 out of 10, while the Signa S3 was rated 5/10.
Each of the soundbars can be controlled using the application. The Polk Audio Signa S3 equipped with a microphone. The models under consideration cannot become part of a multiroom system.
Dolby Atmos audio decoder support is not implemented in either the Solo 5 or Signa S3. Devices from this comparison cannot process surround sound due to lack of DTS:X. The same score of 4/10 was put to the soundbars for multichannel surround support.