The Rolls MX422 is a 4-channel professional field mixer designed for Electronic Field Production (EFP), Electronic News Gathering (ENG), video, and more. The mixer includes a feature set that meets the demands of the professional field audio engineer while remaining at a modest price point. The MX422 features 4 balanced XLR inputs that are capable of accepting line level or microphone signal. The stereo XLR outputs feature a -30 dB pad switch for feeding low impedance inputs. Additional features include a low-cut filter switch for minimizing low-frequency noise and a built-in limiter for controlling noise cause by excessive levels.