The Samsung HW-S40T vs Samsung HW-A550 comparison proves that these soundbars have many common features. Based on our rating, HW-S40T has a total rating of 5 out of 10 versus 4.6 for HW-A550. The competitors' control buttons are different: volume down, volume up, power, source and power, source, demo, volume down, volume up, respectively.
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the Samsung HW-S40T has 2.0 versus 2.1 for the Samsung HW-A550. The output power is different and equal to 100 W for the HW-S40T versus 410 (overall) W for the HW-A550. Only the Samsung HW-S40T has a built-in subwoofer. The Samsung HW-S40T got our rating of 6 out of 10, and the Samsung HW-A550 5 for its audio features and specs.
Soundbars do not have AirPlay support. Spotify support not implemented in both soundbars.
Both models do not have WI-FI support. Rivals from our review have Bluetooth support. The Samsung HW-S40T has 1/0 HDMI inputs/outputs versus 1/1 of the Samsung HW-A550. Only the HW-A550 supports HDMI Audio Return Channel (ARC). For connectivity, the HW-S40T received a rating of 6/10 versus 8/10, respectively.
App control is available for the HW-S40T. None of the models under consideration have a built-in microphone. Soundbars do not have Multi-room support.
None of soundbars equipped with Dolby Atmos multichannel audio decoder. The soundbars do not support the surround sound technology DTS:X. For multichannel surround Samsung HW-S40T got a rating of 5, and Samsung HW-A550 6 out of 10.