It makes sense comparing Samsung HW-LST70T vs Samsung HW-A450 because they both are able to give some premium features. Based on our rating, HW-LST70T has a total rating of 6.4 out of 10 versus 4 for HW-A450. 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-LST70T has 3.0 versus 2.1 for the Samsung HW-A450. The output power is different and equal to 210 (overall) W for the HW-LST70T versus 300 (overall) W for the HW-A450. Only the Samsung HW-LST70T has a built-in subwoofer. Rivals have wireless connection to separate subwoofer. The Samsung HW-LST70T got our rating of 6 out of 10, and the Samsung HW-A450 5 for its audio features and specs.
Soundbars do not have AirPlay support. Spotify support is available on the HW-LST70T.
Only the Samsung HW-LST70T can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. The HDMI Audio Return Channel (ARC) does not support any one of these models. For connectivity, the HW-LST70T received a rating of 6/10 versus 5/10, respectively. App control is available for the HW-LST70T. A built-in microphone is present only on the HW-LST70T. Multi-room is only available for the Samsung HW-LST70T.
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-LST70T got a rating of 5, and Samsung HW-A450 6 out of 10.