"Syrincs DE130T, Ceiling-Mounted Loudspeaker, Diameter: 5"", Rated power: 6 Watts/100 V, Level adjustments: 6/3/1.5 W, Maximum output level: 101 dB, Frequency response: 70 - 19,000 Hz, Dispersion pattern: 180°, Installation depth: 62 mm, Diameter:...