Sony Electronics announced today three new premium wireless speakers, the SRS-X77, SRS-X88 and SRS-X99. Like the HT-ST9 and HT-NT3 sound bars and STR-DN1060 and STR-DN860 A/V receivers, all three wireless speakers have Google Cast, AirPlay, and Spotify Connect, as well as multi-room capability through the Song Pal app. The SRS-X88 and SRS-X99 speakers also boast Hi-Res audio capability.