The PM-SUBmini is the small yet powerful subwoofer system which has been designed to fit perfectly with the best selling Fostex PM0.3/0.3d as well as the newly announced PM0.1 monitor speaker system in both the sound characteristics and the physical size.The PM-SUBmini can also be added to your existing compact speakers thanks to the through-terminal for satellite speakers and variable crossover frequency control between 60/150Hz.