Bose TV Speaker vs Polk Audio Signa S4 review

Votes 1 1
Rating 5 5

Bose TV Speaker vs Polk Audio Signa S4 comparison chart

Bose TV Speaker
Polk Audio Signa S4

Bose TV Speaker vs Polk Audio Signa S4 review

Bose TV Speaker
Polk Audio Signa S4

If you have already decided that you want to buy a new soundbar, but still don’t know what exactly you want, the Bose TV Speaker vs Polk Audio Signa S4 comparison is here to offer you two decent solutions. The Bose TV Speaker was rated 5, while the Polk Audio Signa S4 has a rating 7.8.

Audio features

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 S4 has 3.1.2. The built-in subwoofer is not implemented in any of these models. An external subwoofer connects to the TV Speaker via wired, but Signa S4 has wireless connection type. Audio features and specs of considered models we rated 5 out of 10 in our ranking.

Streaming services

The Signa S4 can play audio from Spotify.


Wireless Internet connection is realized only in the Signa S4. Soundbars from this comparison have Bluetooth support. There are 1/0 HDMI inputs/outputs in the Bose TV Speaker versus 0/1 HDMIs in the Polk Audio Signa S4. As in the TV Speaker, so in the Signa S4 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 S4 was rated 6/10.


The manufacturer of the Signa S4 provides a device control application. The Polk Audio Signa S4 equipped with a microphone. The models under consideration cannot become part of a multiroom system.

Multichannel surround

Dolby Atmos audio decoder is onboard the Signa S4. Devices from this comparison cannot process surround sound due to lack of DTS:X. The TV Speaker was rated 4/10, while the Signa S4 received a mark of 9/10 for multichannel surround.

Advantages Polk Audio Signa S4 over Bose TV Speaker

  • Separate subwoofer in package
  • Amazon Music compatible
  • Spotify support
  • WI-FI enabled
  • App control
  • Microphone
  • Compatible with Dolby Atmos
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Bose TV Speaker
Polk Audio Signa S4


TV Speaker
Signa S4


Polk Audio