Quadral Maxi 440. System type: 2.0 system, Recommended usage: universal, Speaker placement: Portable. RMS rated power: 100 W, Peak Music Power Output (PMPO): 150 W, Frequency range: 47 - 24000 Hz. Connectivity technology: Wired. Housing material: Aluminium. Width: 155 mm, Depth: 172 mm, Height: 245 mm