Artsound MDT50 S . System type: single speaker, Speaker placement: Celing-mountable, Speaker enclosure: Closed. RMS rated power: 10 W, Peak Music Power Output (PMPO): 20 W, Frequency range: 50 - 15000 Hz. Connectivity technology: Wired. Housing material: Metal, Plastic. Width: 105 mm, Depth: 80 mm, Weight: 1240 g