The LG SL5Y vs LG SPD7Y comparison proves that these soundbars have many common features. Based on our rating, SL5Y has a total rating of 5 out of 10 versus 5.6 for SPD7Y.
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the LG SL5Y has 2.1 versus 3.1.2 for the LG SPD7Y. The output power is different and equal to 400 (overall) W for the SL5Y versus 380 (overall) W for the SPD7Y. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate subwoofer. Both models received our 7 rating of 10 for their 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. Each soundbar has 1/1 HDMI inputs/outputs. The HDMI Audio Return Channel (ARC) feature supports both devices. Both soundbars have a USB connector. For connectivity, each of the soundbars received a rating of 7/10.
Compared soundbars have no app control. None of the models under consideration have a built-in microphone. Soundbars do not have Multi-room support.
Only the SPD7Y has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the SPD7Y. For multichannel surround LG SL5Y got a rating of 6, and LG SPD7Y 10 out of 10.