Bogen ASUG1DK. System type: single speaker, Speaker placement: Celing-mountable, Speaker enclosure: Closed. RMS rated power: 1 W, Frequency range: 100 - 10000 Hz, Impedance: 2000 Ом. Connectivity technology: Wired. Housing material: Steel. Diameter: 327.02 mm, Weight: 2267.96 g