The MX54s Pro-Mix Plus mixes three microphones into two transformer balanced outputs. It has three XLR inputs, each with individually switchable phantom power, and Low Cut (100 Hz high pass filter) switches, a Level control, and a Pan control. As mentioned, it has two transformer balanced, XLR outputs. A 1/4 inch Aux/Headphone output has been provided along with a Clip indicator, Power indicator, and Power switch. The unit is also powered by two 9-Volt alkaline batteries.

• Mixes three microphones to stereo XLR outputs
• Output level controls for mic or line-level output - Transformer isolated outputs
• Phantom Power and Low-Cut switches for each Mic input
• Switchable Low Cut filter (100 Hz high pass) for each channel
• Battery and AC powered - Handy shoulder strap mounts