The LG GX vs Polk Audio Signa S3 comparison shows that these models have some important differences and common features. The LG GX was rated 6.5, while the Polk Audio Signa S3 has a rating 6.4. The soundbars are equipped with a different number of buttons, power, volume down, volume up, function for the GX and power, source, demo, volume down, volume up for the Signa S3.
Each of the models under consideration has active amplification type. A noticeable difference is the number of channels that GX 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 GX 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 GX versus 1/0 HDMIs in the Polk Audio Signa S3. As in the GX, 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 GX at 8 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 is onboard the GX. The GX can work with surround sound due to DTS:X support. The GX was rated 10/10, while the Signa S3 received a mark of 4/10 for multichannel surround.