TOA Wired Ceiling-Mountable Loudspeaker 20cm 15 Watt White PC-2852 Audio Frequency range: 45 - 20000 Hz RMS rated power: 15 Watt Sensitivity: 96 dB Loudspeakers Driver diameter: 20 cm Number of drivers: 1 Speaker placement: Ceiling-mountable Package dimensions Gross Weight (Package, kg): 1.6 kg Performance Housing material: Steel Product colour: White Recommended usage: Universal Ports & interfaces Binding post: Y/Yes Connectivity technology: Wired Product dimensions Net Weight (Product, kg): 1.6 kg Product Depth: 9.2 cm Diameter: 28 cm Vendor information Brand Name: TOA.