JBL's exponential horn Since it is a long horn, it can be used at low crossover frequencies. Combined with an acoustic lens, it is possible to create highly directional monitor sounds. The appearance is slightly dull, and there are small scratches in some places (Yoichi Murakoshi)
Accessories: None
Main specifications: crossover frequency 800Hz sound pressure level 108dB (2308 lens used) throat diameter 2.5cm diameter 156 × D293mm weight 1kg/book