The LG S77TY soundbar is a 3.1.3-channel audio system delivering a total output of 400 W. Designed to accompany modern televisions, it features a wireless subwoofer and is aimed at users looking for a complete audio solution for their living room.
The system uses 9 speakers split between the main soundbar and the wireless subwoofer. The 3.1.3 configuration provides multidimensional sound with three front channels, a dedicated bass channel and three height channels. The soundbar measures 89 cm in length and weighs 3.6 kg, while the wireless subwoofer weighs 6.3 kg. 4K compatibility is provided via HDMI (1 input and 1 output), complemented by a USB port and an optical input. Bluetooth 5.1 allows wireless streaming from mobile devices.
The S77TY decodes Dolby Atmos, DTS:X, Dolby TrueHD, Dolby Digital/Digital+ and DTS Digital Surround audio formats. WOW Orchestra technology synchronises the soundbar with a compatible LG TV to create a wider soundstage. AI Sound Pro automatically adjusts audio settings according to the content being played. VRR/ALLM compatibility optimises use with gaming consoles by reducing latency and adapting the refresh rate. Power consumption reaches 23 W for the soundbar and 30 W for the subwoofer in operation, and 0.5 W on standby.
The package includes an infrared remote control with batteries, an HDMI cable and a wall-mounting bracket. Spare parts remain available for 7 years from the date of purchase. This audio system suits home installations needing structured sound reproduction without any additional wireless equipment.