JBL's exponential horn. Since it is a longhorn, it can be used at lower crossover frequencies. It is possible to create highly directional monitor sounds by combining them with acoustic lenses (Murakoshi Yoichi)
Accessories: none
Main specifications: crossover frequency 800 Hz sound pressure level 108 dB (using 2308 lenses), slot diameter 2.5 cm, diameter 156 x D293 mm, weight 1 kg/book