The active bass series serve as complement for the lower octave of our active studio monitors and as central bass unit in stereo reproduction. Furthermore, the subwoofers can be operated with suitable AV receivers to also allow optimal cooperation with our passive high-end loudspeakers. All subwoofer have cardioid radiation characteristics for minimisation of rearward roomreflections. This construction principle significantly simplifies the positioning of the bass loudspeakers in the listening room.