Mackie MDB-1A Active Direct Box

Mackie MDB-1A: 1-Channel Active Direct Box with Stereo Merge Capability

The Mackie MDB-1A is a single-channel Active Direct Box meticulously engineered to ensure that your instruments and audio sources are delivered to your audience with pure, uncolored, and acoustically transparent sound. This affordable DI box boasts Mackie’s proven “Built-like-a-Tank” construction, making it rugged and reliable for the demands of the road or the studio. Its premium active analog circuitry, which requires external +48-volt phantom power, provides exceptional headroom and superior clarity, handling both line-level and instrument-level signals with ease. Furthermore, the MDB-1A is uniquely equipped to handle the complexities of modern setups, featuring a crucial Merge switch that simplifies connecting stereo sources like keyboards by summing them down to a single, balanced mono output. With a full suite of noise-mitigation features, the MDB-1A is prepared for any performance challenge.

Key Features

• Premium Active Circuitry: Features high-quality active analog circuitry that delivers exceptional clarity and high headroom (requires +48V phantom power).
• Stereo Merge Function: Includes a Merge switch that utilizes both the Input and Thru jacks to sum a stereo input source (e.g., a keyboard) down to a single mono output.
• -20dB Pad Protection: A built-in -20dB pad protects the internal circuitry from high-level input sources, such as active pickups or hot outputs from mobile devices.
• Robust Construction: Proven “Built-like-a-Tank” design ensures the unit can withstand the heavy abuse of live performance and constant travel.
• Comprehensive Noise Control: Equipped with essential switches including **Low Cut** (High-Pass Filter), **Ground Lift** (to eliminate hum), and **Polarity** (Phase Reverse) for troubleshooting and signal optimization.

Reliability and Clarity for the Stage

The Mackie MDB-1A Active Direct Box is ready to face any challenge your performance environment presents. With its clean, uncolored active circuitry, convenient Stereo Merge feature, and complete array of noise-fighting switches, the MDB-1A is an indispensable tool for musicians and audio engineers who demand maximum clarity and reliability when bringing instrument signals to the mixing board.