Speco Tech Weatherproof PA Speaker w/Transformer 8.5". 5" Weatherproof PA Speaker with Transformer Specifications for Speco Tech 8.5" Weatherproof PA Speaker w/Transformer: Manufacturer: Speco Tech Color: Black Features of Speco Tech 8.5" Weatherproof PA Speaker w/Transformer Weather-resistant aluminum construction Includes mounting bracket Rubber bell protector Selectable 70/25V transformer dial 2-year warranty RMS Power: 15W Max. Power: 30W Transformer Type: 70/25V Transformer Power Taps: 70V: 15W 10W 5W 3W 1W 25V: 15W 10W 3.7W 1.9W 1.3W 0.6W 0.4W 0.1W Termination Type: Wire Sensitivity (1W/1M) 105dB Maximum SPL (Pmax/1m) 117dB Driver Impedance: 8 Ohms Magnet 4.9 oz. ferrite Frequency Response Range 450Hz - 15kHz Dispersionat100Hz 75' conical Speaker Dimensions: 8.5" (Dia.) x 9" (D) Weight: 3.2 lbs. Material: Aluminum Color: Grey Package Contents: Speco Tech 8.5" Weatherproof PA Speaker w/Transformer Speco Tech SPC15T: Weatherproof PA Speaker w/Transformer 8.5"