Quadral Argentum 02.1. 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: 40 - 45000 Hz. Connectivity technology: Wired, Speaker interface type: Terminal. Housing material: MDF. Width: 168 mm, Depth: 252 mm, Height: 310 mm