SX-M2D2 Product Announcement The SX-M2D2 is a lightweight 2 channels high resolution dual-domain microphones preamplifier with integrated USB audio Class 2. Compact, low power, battery powered, the SX-M2D2 embeds similar high performance dual A/D converters than the SX-R4+. This product is the ideal companion for various mobile environments. Its ergonomic has been carefully designed for convenience and easy of operation. Inputs / Outputs