Grace Design m701 - Multi-Format Audio Interface and AD/DA Converter (Base Model)Base model m701 ships with all analog and network option slots empty, for creating your own custom configuration. The Grace Design m701 is a modular, high channel count audio interface designed for professional and commercial recording facilities. As their first foray into a complete interface design, the goal was to provide their very highest quality AD DA convertion integrated into a powerful, configurable platform. The m701's modular design allows