Mackie MDB-1A Active Direct Box - Black

Connect your instruments to a professional sound system with the Mackie MDB-1A Active Direct Box. Designed for studio recording and live sound applications, this compact DI box provides clean, balanced signal transmission with high headroom and low-noise active circuitry.

Clear, Professional Signal Conversion

The high-impedance 1/4" input converts unbalanced instrument signals into a balanced XLR output for convenient connection to mixing consoles and recording equipment. A selectable -20dB pad helps accommodate higher-level sources without unwanted distortion.

Flexible Sound Control

Ground Lift, Low Cut and Polarity switches provide additional control over signal quality. The Merge function allows two inputs to be combined into a single mono output, making the MDB-1A useful for keyboards and stereo media players.

Why Buy the Mackie MDB-1A?

With 48V phantom-power operation, rugged steel construction and versatile signal-routing options, the MDB-1A is an excellent choice for musicians and audio engineers seeking reliable DI performance.

Features

• Single-channel active direct injection box

• High-headroom, low-noise analogue circuitry

• 1/4" high-impedance instrument input

• 1/4" Thru connection

• Balanced XLR output

• -20dB input pad

• Ground Lift switch to help reduce ground-loop hum

• Selectable 120Hz Low Cut filter

• 0°/180° polarity switch

• Merge function for summing two inputs to mono

• 48V phantom-powered operation

• 20Hz–20kHz frequency response

• 130dB dynamic range

• Heavy-duty steel chassis

• Impact-resistant corner protection

• Compact design for live sound and recording applications

Specifications