l would like to share my experience after comparing and testing two soundbars – VIZIO SB3651-E6 vs VIZIO SB4451-C0. The VIZIO SB3651-E6 was rated 7.6, while the VIZIO SB4451-C0 has a rating 7.2. Soundbars have the same set of buttons - power, input, Bluetooth, volume down, volume up.
Each of the models under consideration has active amplification type. By the number of channels, the devices do not differ. The built-in subwoofer is not implemented in any of these models. An external subwoofer can be connected to any of the units in this comparison. Rate 7 out of 10 received the VIZIO SB3651-E6 for audio features and specs, but the VIZIO SB4451-C0 received 8 out of 10.
AirPlay supported by both soundbars. Each of the competitors can play content from Spotify.
Both models have a wireless Wi-Fi interface. 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 SB4451-C0 there is the HDMI Audio Return Channel (ARC). Connecting devices via USB is possible in both models. The connectivity of each of the models was estimated at 8/10. Each of the soundbars can be controlled using the application. The VIZIO SB3651-E6 equipped with a microphone. The VIZIO SB4451-C0 may become part of a multiroom system.
Dolby Atmos audio decoder support is not implemented in either the SB3651-E6 or SB4451-C0. Devices from this comparison cannot process surround sound due to lack of DTS:X. The same score of 4/10 was put to the soundbars for multichannel surround support.