The Yamaha SR-C20A vs LG SC9S comparison shows that these models have some important differences and common features. The Yamaha SR-C20A was rated 3.8, while the LG SC9S has a rating 6.4.
Each of the models under consideration has active amplification type. By the number of channels, the devices do not differ. These rivals can be compared in terms of power, 100 (overall) versus 310 (overall) according to devices. A built-in subwoofer is available only in the Yamaha SR-C20A. Rate 5 out of 10 received the Yamaha SR-C20A for audio features and specs, but the LG SC9S received 6 out of 10.
The SC9S can play audio from Spotify.
Wireless Internet connection is realized only in the SC9S. Soundbars from this comparison have Bluetooth support. There are 0/1 HDMI inputs/outputs in the Yamaha SR-C20A versus 1/1 HDMIs in the LG SC9S. As in the SR-C20A, so in the SC9S there is the HDMI Audio Return Channel (ARC). Connecting devices via USB is possible in both models. We rated the connectivity of the SR-C20A at 4 out of 10, while the SC9S was rated 7/10.
The manufacturer of the SC9S provides a device control application. Soundbars in this review are not equipped with a microphone. The models under consideration cannot become part of a multiroom system.
Dolby Atmos audio decoder is onboard the SC9S. The SC9S can work with surround sound due to DTS:X support. The SR-C20A was rated 6/10, while the SC9S received a mark of 5/10 for multichannel surround.