loudspeaker speaker /sound box FEATURES W series speaker is a new masterpiece in NAPHON professional speaker family. Thanks to the all weather design concept, it is rain and sun proof. Moreover, it features large power, high efficiency, large sound pressure, saturated sound, andtone color. The box is a trapezoid specially designed according to the covering angle of the speaker. At four sides, there are overhead rails and steel corner armor, as high strength polyester and multiply-plywood are incorporated, the speaker is firm, durable and resonance free. The built-in protection mesh is made of professional filtration cotton that filtrate sound noises, so the sound becomes pure and rigid. Gray iron net protect, spray gum blue and red surface dealing. SPECIFICATION Model W10 W12 W15 Frequency Response 55Hz-20KHz 45Hz-20KHz 45Hz-18KHz Low Frequency Range 55Hz(-10db) 45Hz(-10db) 45Hz(-10db) Driver LF:2x10 inch; HF:1x1.5 inch LF:2x12 inch; HF:1x1.5 inch LF:2x15 inch; HF:1x3 inch Rated Power 400W (AES), 800W (Peak) 550W (AES), 1000W (Peak) 700W (AES), 1300W (Peak) Recommended Amplifier 500-800W at 8Ohm 600-1000W at 8Ohm 800-1000W at 8Ohm Sensitivity 102dB 99dB 98dB Max SPL 115db (AES) 124db (Peak) 110db (AES) 124db (Peak) 116db (AES) 130db (Peak) Impedance 4Ohm 4Ohm 4Ohm Cover Range 90 degree H x 90 degree V 90 degree H x 90 degree V 90 degree H x 50 degree V Crossover 2KHz 2KHz 2KHz Box 18cm plywood 18cm plywood 18cm plywood Connection 2 x NL4 2 x NL4 2 x NL4 Dimensions 92.00x42.00x62.00CM 102.00x47.00x62.00CM 122.00x55.00x66.00CM Gross Weight 45.00KGS 47.50KGS 50.50KGS