Mackie MDB-USB Direct Box

Mackie MDB-USB: High-Resolution DI Box / DAC for Seamless USB-to-Analog Conversion

The Mackie MDB-USB is a uniquely integrated device designed to bridge the gap between the digital world of computers and the standards of professional analog audio connections, functioning as both a **DI Box (Direct Injection Box)** and a **DAC (Digital-to-Analog Converter)**. This unit allows you to take the digital audio signal from your laptop, tablet, or any USB device and flawlessly convert it into a professional, **Balanced Analog, Low-Impedance** signal ready for direct connection into a mixing console, PA system, or active loudspeakers. This crucial conversion eliminates the common problems of hum and noise caused by ground loops, ensuring your music, presentations, or backing tracks are delivered with exceptional clarity and signal integrity. It is an indispensable tool for live performance, presentations, or studio applications where audio fidelity and stable connectivity are paramount, all while conveniently being powered directly by the USB source.

Key Features

• Professional I/O: Features a **USB 2.0 Type-B** input for Plug & Play connectivity and two **XLR 3-pin Balanced** outputs for connecting to mixers and PA systems.
• High-Resolution Audio Support: Supports audio up to **24-bit / 96 kHz**, ensuring crystal-clear digital audio quality that meets high-end studio and live sound standards.
• Flexible Control: Includes dedicated volume controls for both the XLR outputs and the **3.5 mm Stereo Headphone** jack, plus a **Mono On/Off switch** to combine stereo signals into mono.
• Ground-Lift and Robust Build: Equipped with a **Ground-Lift switch** to eliminate hum and noise caused by ground loops, housed in a durable, all-steel chassis built for rigorous live use.
• USB Bus-Powered: Draws all necessary power directly from the USB connection, eliminating the need for an external power adapter for ultimate convenience and portability.

The Reliable Audio Link for Digital Sources

The Mackie MDB-USB is the essential tool for any sound professional navigating the digital audio landscape. Its combination of high-resolution conversion and professional-grade I/O ensures your computer’s audio reaches the main sound system with clarity and reliability. If you demand confidence in your live performances or sound installations, the MDB-USB is the robust DI Box / DAC that delivers both superior audio fidelity and uncompromising road-ready durability.