Altec Lansing 150B: This versatile, two-way speaker system provides excellent reproduction of speech and music for public address applications, indoors or outdoors. Its highly efficient transducer with two sound paths delivers clear audio, while the sectoral horn allows for adjustable distribution patterns. The heavy, double-reinforced Fiberglass housing ensures durability, and the weatherproof design makes it suitable for outdoor use. With a power rating of 50 watts pink noise and a frequency response of 150 Hz to 12 kHz, the 150B offers powerful and wide-range sound.