The VIZIO SB2920-C6 vs Vizio V51-H6 comparison shows that these models have some important differences and common features. The VIZIO SB2920-C6 was rated 4, while the Vizio V51-H6 has a rating 6. The soundbars are equipped with a different number of buttons, power, volume down, volume up, input, Bluetooth for the SB2920-C6 and power, volume down, volume up, source, Bluetooth for the V51-H6.
Each of the models under consideration has active amplification type. A noticeable difference is the number of channels that SB2920-C6 has 2.0 and V51-H6 has 5.1. The built-in subwoofer is not implemented in any of these models. An external subwoofer connects to the SB2920-C6 via wired, but V51-H6 has wired and wireless connection type. Rate 5 out of 10 received the VIZIO SB2920-C6 for audio features and specs, but the Vizio V51-H6 received 7 out of 10.
Soundbars do not have AirPlay support. The units in this comparison do not support Spotify.
Both models do not have a wireless Wi-Fi interface. Soundbars from this comparison have Bluetooth support. The HDMI Audio Return Channel (ARC) is implemented only in the V51-H6. Connecting devices via USB is possible in both models. We rated the connectivity of the SB2920-C6 at 5 out of 10, while the V51-H6 was rated 6/10. The manufacturer of the V51-H6 provides a device control application. The Vizio V51-H6 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 SB2920-C6 or V51-H6. Devices from this comparison cannot process surround sound due to lack of DTS:X.