If your current Bluetooth speaker disappears the second people start talking, this is the kind of upgrade that changes the whole vibe. The Sony ULT Tower 9 (SRSULT900) is a full-size wireless party speaker built for big, room-filling sound, deep bass, and all the lights-and-effects drama you’d expect at this price. With the current deal […] The post This Sony Ult Tower 9 party speaker is $699 and built to shake the room appeared first on Digital Trends .