Rated Power @ 100V: 30W / 15W / 7.5W / 3.75W Rated Power @ 70V: 15W / 7.5W / 3.75W / 1.9W Impedance: 8O / 333O / 666O / 1.3KO / 2.6KO Sensitivity: 105 dB (1W/1m) Frequency Range: 400Hz ~ 10KHz Protection Level: IP66 Color: White Horn: Plastic Diaphragm: Phenolic Magnet: Ferric Mounting bracket: Stainless Steel Mounting holes: 3x Ø7.5mm (0.03 inch) holes with 30mm (1.2 inch) space Horn Size: Ø240 x 303mm (Ø9.45 x 11.93 inch) Net weight: 2,3 kg – 5.07 lbs. Packing Size: 250 x 250 x 325 mm (98.42 x 98.42 x 127.95 inch) Gross Weight: 2,6 kg – 7.73 lbs. IP66 Protection Type