The DMM12 professional digital automatic microphone mixer is ideal for large meetings and conferences. Engineered for spoken word applications, it?s DSP functions ensures precise mixing of up to 120 channels by cascading up to 10 DMM12s. Offering a high signal-to-noise ratio, the DMM12 reduces noise from multiple open microphones to a minimum. Numerous DSP functions like filters, compressor/limiter, ducking and routing make the DMM6 a great fit for a variety of spoken word applications.