Quadral Argentum 315 Phase. System type: 2.0 system, Recommended usage: speaker set unit, Speaker placement: Tabletop/bookshelf. RMS rated power: 60 W, Peak Music Power Output (PMPO): 90 W, Frequency range: 80 - 45000 Hz. Connectivity technology: Wired, Speaker interface type: Terminal. Housing material: MDF. Type: Bookshelf, Dimensions (WxDxH): 168 x 145 x 310 mm, Audio output channels: 2.0