The Bose TV Speaker vs Polk Audio Signa S3 comparison shows that these models have some important differences and common features. The Bose TV Speaker was rated 5, 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 TV Speaker has 3.0 and Signa S3 has 2.1. The built-in subwoofer is not implemented in any of these models. An external subwoofer connects to the TV Speaker via wired, but Signa S3 has wireless connection type. Rate 5 out of 10 received the Bose TV Speaker 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. 1/0 HDMI inputs/outputs are in each of soundbars. As in the TV Speaker, 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 TV Speaker 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 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 TV Speaker 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.