The KEF HTF7003 vs VIZIO SB3651-E6 comparison proves that these soundbars have many common features. Based on our rating, HTF7003 has a total rating of 5 out of 10 versus 7.6 for SB3651-E6.
The KEF HTF7003 has the passive amplification type, the VIZIO SB3651-E6 - active. A significant difference between the units in the number of channels, the KEF HTF7003 has 3.0 versus 5.1 for the VIZIO SB3651-E6. Competitors do not have a built-in subwoofer. The KEF HTF7003 got our rating of 6 out of 10, and the VIZIO SB3651-E6 7 for its audio features and specs. Spotify support is available on the SB3651-E6.
Only the VIZIO SB3651-E6 can connect to the Internet via WI-FI. Only the SB3651-E6 has Bluetooth support. Only the SB3651-E6 supports HDMI Audio Return Channel (ARC). For connectivity, the HTF7003 received a rating of 4/10 versus 8/10, respectively. App control is available for the SB3651-E6. A built-in microphone is present only on the SB3651-E6. Soundbars do not have Multi-room support.
None of soundbars equipped with Dolby Atmos multichannel audio decoder. The soundbars do not support the surround sound technology DTS:X.