I had a chance to test and compare two models: Polk Audio Signa S4 vs Klipsch Cinema 600 and this review should help people who are looking for a good soundbar. The Polk Audio Signa S4 was rated 7.8, 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 Signa S4 has 3.1.2 and Cinema 600 has 3.1. These rivals can be compared in terms of power, 80 (overall) versus 600 (overall) according to devices. The built-in subwoofer is not implemented in any of these models. An external subwoofer connects to the Signa S4 via wireless, but Cinema 600 has wired connection type. Rate 5 out of 10 received the Polk Audio Signa S4 for audio features and specs, but the Klipsch Cinema 600 received 6 out of 10.
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 0/1 HDMI inputs/outputs in the Polk Audio Signa S4 versus 1/0 HDMIs in the Klipsch Cinema 600. As in the Signa S4, so in the Cinema 600 there is the HDMI Audio Return Channel (ARC). We rated the connectivity of the Signa S4 at 6 out of 10, while the Cinema 600 was rated 8/10.
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.
Dolby Atmos audio decoder is onboard the Signa S4. Devices from this comparison cannot process surround sound due to lack of DTS:X. The Signa S4 was rated 9/10, while the Cinema 600 received a mark of 6/10 for multichannel surround.