I had a chance to test and compare two models: VIZIO SB3651-E6 vs Klipsch Cinema 600 and this review should help people who are looking for a good soundbar. The VIZIO SB3651-E6 was rated 7.6, while the Klipsch Cinema 600 has a rating 4.8.
Each of the models under consideration has active amplification type. A noticeable difference is the number of channels that SB3651-E6 has 5.1 and Cinema 600 has 3.1. The built-in subwoofer is not implemented in any of these models. An external subwoofer connects to the SB3651-E6 via wireless, but Cinema 600 has wired connection type. Rate 7 out of 10 received the VIZIO SB3651-E6 for audio features and specs, but the Klipsch Cinema 600 received 6 out of 10. The SB3651-E6 can play audio from Spotify.
Wireless Internet connection is realized only in the SB3651-E6. Soundbars from this comparison have Bluetooth support. 1/0 HDMI inputs/outputs are in each of soundbars. As in the SB3651-E6, so in the Cinema 600 there is the HDMI Audio Return Channel (ARC). The connectivity of each of the models was estimated at 8/10. The manufacturer of the SB3651-E6 provides a device control application. The VIZIO SB3651-E6 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 SB3651-E6 or Cinema 600. Devices from this comparison cannot process surround sound due to lack of DTS:X. The SB3651-E6 was rated 4/10, while the Cinema 600 received a mark of 6/10 for multichannel surround.