Mackie MDB-USB
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- This item is covered for 3 years
Essential Information About the Radial USB-Pro USB Audio Interface
Essential Information About the Radial USB-Pro USB Audio Interface
- Direct USB connection to link your computer to a console, active speakers, or a broadcast system
- High-resolution 24-bit / 96 kHz conversion for detailed and clean sound reproduction
- 2 low-impedance balanced XLR outputs with ground lift to reduce hum and interference
- Volume control and mono/stereo switch for quick adaptation to stage or studio setups
Manufacturer Information
Mackie
https://www.mackie.com
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Safety manager:
Algam SAS
Email: contact@algam.net
Address:
A "computer-to-pro audio" gateway in the spirit of Radial solutions
Designed to meet the needs of musicians and technicians using a computer as an audio source, the Radial USB-Pro follows a simple philosophy: to provide a reliable, professional-format output without complications. It serves as a link between the computer world (USB) and stage/studio audio (balanced XLR), with essential controls to secure the signal and save setup time.
Who is it for and what are the uses?
This interface is ideal if you are running playbacks, backing tracks, effects, or ambiences from a computer and need to feed a console or broadcast system via XLR. It is also well suited for DJs, keyboardists, sound engineers, and any setup requiring a clean, stable, and immediately operational balanced output, whether in rehearsal, live performance, conference, or installation.
Technical specifications
| Frequency response - start | 20 Hz | Analog outputs | jack, 2 x XLR |
| Frequency response - end | 20 kHz | Color | Black |
| Category | Direct box | Ports | USB |
| Number of channels | 2 | Weight | 0.5 kg |
| Digital conversion | 24-bits / 44,1 kHz @ 96 kHz | Dimensions (mm) | 147 x 86 x 38 |
| Sampling frequency | 96 kHz | ||
Questions frequently asked
Does the Mackie MDB-USB work without a driver?
The device is advertised as plug and play, with no driver required. It is powered directly by the computer's USB port.
How to connect a computer to a mixer via XLR?
The two balanced low-impedance XLR outputs allow sending audio tracks to a mixer or a PA system. This connection type is designed to minimize interference over long cable runs. A jack output is also listed among the analog outputs.
How to reduce hum with this USB direct box?
The ground lift function reduces hum caused by grounding differences between devices. It activates without changing cables or adding extra accessories.
Is it possible to switch the audio output to mono?
The mono/stereo switch allows summing the signal to mono or maintaining stereo output.
What audio conversion quality is offered?
The digital conversion is specified at 24 bits, with sampling frequencies from 44.1 kHz to 96 kHz. The stated frequency response ranges from 20 Hz to 20 kHz.



