The Samsung Q990B vs Samsung Q910B comparison proves that these soundbars have many common features. Based on our rating, Q990B has a total rating of 9.8 out of 10 versus 9.4 for Q910B.
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 9.1.2 for the Samsung Q910B. The output power is different and equal to 656 (overall) W for the Q990B versus 520 (overall) W for the Q910B. 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 Q910B 9 for its audio features and specs.
Spotify is available on each of the soundbars. Both devices can play streaming audio from Pandora, SoundCloud.
These models have the ability to 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 Q910B. The HDMI Audio Return Channel (ARC) feature supports both devices. Both soundbars have a USB connector. For connectivity, the Q990B received a rating of 10/10 versus 9/10, respectively.
App control is available in every soundbar. A built-in microphone is present in each model. Soundbars do not have Multi-room support.
Both devices have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices under review. For multichannel surround, each of the opponents received 10 points out of 10.