Viking cost effective speakers for indoor use Adjustable base for easy mounting and directional adjustment Compact design for out of the way mounting Designed to work with all of Viking's paging products Attractive white grill for flush mounting in office ceiling Mounting hardware included Large permanent magnet Excellent frequency response Designed to work with all of Viking's paging products Nominal Power 12 watts Impedance 8 ohms Dimensions 127mm 5 diameter Shipping Weight .68 kg 1.5 lbs. Environmental 5% to 95% non condensing humidity Frequency Response 400 Hz to 7000 Hz Nominal Power 6 watts Impedance 8 ohms Dimensions 324mm x 95mm 12.75 x 3.75 Shipping Weight 1.36 kg 3 lbs. Environmental 5% to 95% non condensing humidity Frequency Response 85 Hz to 15000 Hz VK30AE