Designed as a full horn, the PS 1 Top delivers highly precise and even sound dispersion and the highest sound level with the lowest distortion. The matching PS Sub achieves high peak levels thanks to its volume-optimised design and innovative loading principle, the matching sub achieves peak levels and delivers dry bass from 28 Hz upwards. The series is complemented by the PS 1 EX low-mid extension with 2 x 12″ drivers.