The DENON's DN-312X is a 1U rack-mounted 12-channel mixer that can solve a wide range of audio problems. This analog mixer has 6 mic/line combination inputs (HDHQTM Denon-Marantz proprietary mic pre's) with switchable phantom power and 6 additional line-level inputs. It has balanced XLR outputs, a 1/4-inch (6.3mm) mono output for connecting the DN-312X to a remote mixer, a pair of RCA stereo outputs for connecting to a remote recording device, and a 1/4-inch (6.3mm) mic monitoring port for monitoring the microphone signals. Individual level control is provided for all inputs, as well as level control for the mono output port and a master level control, on the DN-312X. It has a 3-level equaliser and a controlled priority for Mic/Line 1 to round out the feature set. It can be powered by standard alternating current or a 24V DC power source, allowing it to be used in a variety of applications ranging from a classroom to a tour bus.