The LG S65Q vs Polk Audio Signa S3 comparison shows that these models have some important differences and common features. The LG S65Q was rated 5, while the Polk Audio Signa S3 has a rating 6.4. Soundbars have the same set of buttons - power, source, demo, volume down, volume up.
Each of the models under consideration has active amplification type. A noticeable difference is the number of channels that S65Q has 3.1 and Signa S3 has 2.1. 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 7 out of 10 received the LG S65Q 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. There are 1/1 HDMI inputs/outputs in the LG S65Q versus 1/0 HDMIs in the Polk Audio Signa S3. As in the S65Q, 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 S65Q 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 S65Q or Signa S3. Devices from this comparison cannot process surround sound due to lack of DTS:X. The S65Q was rated 6/10, while the Signa S3 received a mark of 4/10 for multichannel surround.