Phase Technology TFS1.0 Ultra Thin SoundbarPhaseTech TFS1. 0 Soundbar Dual 3 inch 2 Way Ultra Thin Front and Surround Channel. The TFS 1. 0 (Thin Front Surround), just as the name implies, can be used as fronts and surrounds: left, center, right, or any configuration of surround channels, in either a vertical or a horizontal orientation. The TFS speakers come with a wall mount and a horizontal tabletop stand in the box. You can create an entire surround sound system using only the TFS speakers