It makes sense comparing Samsung HW-Q900T vs Samsung HW-LST70T because they both are able to give some premium features. Based on our rating, HW-Q900T has a total rating of 8.2 out of 10 versus 6.4 for HW-LST70T. The set of control buttons for competitors is the same and is: volume down, volume up, power, source.
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the Samsung HW-Q900T has 7.1.2 versus 3.0 for the Samsung HW-LST70T. The output power is different and equal to 406 (overall) W for the HW-Q900T versus 210 (overall) W for the HW-LST70T. Only the Samsung HW-LST70T has a built-in subwoofer. Rivals have wireless connection to separate subwoofer. The Samsung HW-Q900T got our rating of 8 out of 10, and the Samsung HW-LST70T 6 for its audio features and specs.
Soundbars do not have AirPlay support. Spotify is available on each of the soundbars.
These models have the ability to connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. The Samsung HW-Q900T has 2/1 HDMI inputs/outputs versus 1/0 of the Samsung HW-LST70T. Only the HW-Q900T supports HDMI Audio Return Channel (ARC). Both soundbars have a USB connector. For connectivity, the HW-Q900T received a rating of 8/10 versus 6/10, respectively.
App control is available in every soundbar. A built-in microphone is present in each model. Multi-room is available to every soundbar.
Only the HW-Q900T has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the HW-Q900T. For multichannel surround Samsung HW-Q900T got a rating of 9, and Samsung HW-LST70T 5 out of 10.