Magnat Center 51. System type: 2.0 system, Recommended usage: speaker set unit, Speaker placement: Floor, Tabletop/bookshelf. RMS rated power: 85 W, Peak Music Power Output (PMPO): 150 W, Frequency range: 36 - 50000 Hz. Amplifier output power: 20 W. Connectivity technology: Wired. Width: 395 mm, Depth: 220 mm, Height: 160 mm