The JBL AC599 is a 15-inch 2-way full-range speaker ideal for fixed installation applications like auditoriums, conference rooms, and small venues. It's great for sound engineers, venue managers, and anyone seeking high-quality sound. With a frequency range of 60 Hz - 20 kHz, a sensitivity of 98 dB, and a 90° x 90° coverage pattern, it delivers excellent sound. Weighing 19.7 kg (43.4 lbs), it's not too heavy to handle.