The QUICKTRACK audio products from Protech Audio are designed to provide professional audio performance in a cost-effective utility package. Each of the new products is designed with features required in most audio applications. The Model MX413 is a dual channel microphone preamplifier. Each input has individual phantom power capability. Each channel has a separate gain control. All inputs and the output are electronically balanced. The outputs may be used in either balanced or unbalanced configuration. Requires low voltage AC power. 4.5" mounting extrusion supplied.