The Neumann MA 1 Monitor Alignment Kit with KH 750 DSP Subwoofer adds depth and detail to your existing monitor setup. With an individually calibrated measurement microphone tuned subwoofer and user-friendly software its like having an expert engineer right in the room. Mix master and monitor with precision. The Neumann KH 750 DSP Active Subwoofer is engineered to deliver exceptional acoustic performance. Its compact and powerful with a 10" long throw woofer on board. Complete with the Neumann.Control app you can get the best sound from the palm of your hand. The best possible sound for home studios and professional control rooms. The MA 1 Monitor Alignment software automatically calibrates your stereo monitors. Advanced calibration algorithms make it easy to get world class results no matter where you mix master and monitor.