Outdoor speaker features stainless steel hardware for all-weather durability. It is designed to offer the high intelligibility of weather-resistant horns combined with the high sound quality of dynamic speakers. The CS-154 employs the rotary switch that facilitates impedance changes. It also employs a constant directivity horn for clear sound output over its horizontal range of 90?operation. 15 W RMS rated input in 100 V line, with selectable power (15, 10 and 5 W connection). 130 to 13.000 Hz Frequency Response. 97 dB SPL 1 W, 1 m, 1 kHz sensivity. 109 dB maximum SPL. Weight: 3,5 kg. Dimensions: 240 x 435 x 375 mm.