KH 80 Active DSP Powered Studio Monitor. The Neumann KH 80 Active DSP Powered Studio Monitor is a 2-way active bi-amplified studio monitor featuring a DSP engine with network control, a Mathematically Modeled Dispersion Waveguide (MMD), an analog input and an extensive range of mounting hardware. This allows the loudspeaker to be used in diverse acoustical conditions, with any source equipment and in a wide variety of physical locations.