Samsung Q990B vs Samsung HW-A650 comparison definitely makes sense. Based on our rating, Q990B has a total rating of 9.8 out of 10 versus 5 for HW-A650.
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the Samsung Q990B has 11.1.4 versus 3.1 for the Samsung HW-A650. The output power is different and equal to 656 (overall) W for the Q990B versus 430 (overall) W for the HW-A650. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate subwoofer. The Samsung Q990B got our rating of 10 out of 10, and the Samsung HW-A650 7 for its audio features and specs.
Spotify support is available on the Q990B.
Only the Samsung Q990B can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. The Samsung Q990B has 2/1 HDMI inputs/outputs versus 1/1 of the Samsung HW-A650. The HDMI Audio Return Channel (ARC) feature supports both devices. For connectivity, the Q990B received a rating of 10/10 versus 8/10, respectively.
App control is available for the Q990B. A built-in microphone is present only on the Q990B. Soundbars do not have Multi-room support.
Only the Q990B has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the Q990B. For multichannel surround Samsung Q990B got a rating of 10, and Samsung HW-A650 6 out of 10.