l would like to share my experience after comparing and testing two soundbars – KEF HTF7003 vs VIZIO SB3821-C6. The KEF HTF7003 was rated 5, while the VIZIO SB3821-C6 has a rating 4.5.
Soundbars have different amplification type - passive versus active respectively to devices. A noticeable difference is the number of channels that HTF7003 has 3.0 and SB3821-C6 has 2.1. The built-in subwoofer is not implemented in any of these models. Rate 6 out of 10 received the KEF HTF7003 for audio features and specs, but the VIZIO SB3821-C6 received 5 out of 10.
Soundbars do not have AirPlay support. Both devices do not have Google Play Music on board. The units in this comparison do not support Spotify.
Both models do not have a wireless Wi-Fi interface. Bluetooth support integrated in the SB3821-C6. Neither the HTF7003 nor SB3821-C6 has the HDMI Audio Return Channel (ARC). We rated the connectivity of the HTF7003 at 4 out of 10, while the SB3821-C6 was rated 6/10.
None of these soundbars can be controlled using the app. 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 support is not implemented in either the HTF7003 or SB3821-C6. Devices from this comparison cannot process surround sound due to lack of DTS:X. DTS Virtual:X technology not supported by any of the soundbars in this review.
The KEF HTF7003 is better soundbar in this comparison. Check KEF HTF7003 price