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 MX402 has two line inputs, mixed to a common signal, and distributed to three line outputs. Both inputs and two outputs have adjustable gain. All inputs and the output are electronically balanced. Each input and output may be used in either a balanced or unbalanced configuration. Requires low voltage AC power. 4.5" mounting extrusion supplied.