Azden FMX-42 Pro 4-Channel Microphone Field Mixer with 4 XLR Inputs. Balanced Mic Inputs: The FMX-42 features 4 XLR microphone inputs. The balanced inputs deliver high gain and low noise floor. VU Meters: Dual analog meters provide a comprehensive read on audio level. Balanced Line Level Outputs: Dual balanced line level outputs via XLR male connectors provide balanced audio signal to line level inputs on cameras and additional mixers. 2 Channel Addressable Outputs: Incoming signal from either channel can assigned to either left or right outputs if signal isolation is desired. Input Limiters: Both inputs feature high quality switchable limiters. The limiters protect against peak distortion due to overload.