MDB USB

 Stereo DAC Direct Box

Overview

The Mackie MDB-USB is a USB-powered stereo DAC direct box designed to connect stereo a signal from USB to microphone preamps for DJs, producers, musicians, and audio engineers in recording sessions, clubs, houses of worship, and live stage applications. It converts a stereo digital audio feed at up to 24-bit/96 kHz resolution via a USB 2.0 Type-B input to low-impedance, mic-level analog outputs via two balanced XLR 3-pin jacks. A 3.5mm headphone output is provided for easy monitoring.

Features

Optimize your gain stage using the level knob, which adjusts the output volume at the XLR and 3.5mm jacks. The mono on/off switch enables operation of the MDB-USB in stereo or mono. Its ground-lift switch inhibits hum caused by ground loops. A sturdy steel chassis enables confident use in the studio or on the road.Connect the USB output from a stereo mixer, audio interface, or computer to microphone preamps

Converts stereo digital signal from a USB connection to low-impedance, balanced XLR mic-level analog outputs

• USB 2.0 Type-B female input

• Two XLR 3-pin balanced outputs

• 3.5mm stereo headphone output

• Supports up to 24-bit/96 kHz resolution

• Mono switch allows easy sum-to-mono functionality

• Ground-lift switch minimizes hum

• Level knob controls overall volume to the XLR and 3.5mm output jacks

• Powered via USB connection
  
  

Specifications

TypeDAC

Input Connections1 x USB 2.0 Type-B female

Output Connectors2 x XLR 3-pin balanced

1 x 1/8" (3.5 mm) stereo mini-jack

Input Impedance330 kOhms balanced

Output ImpedanceXLR: 600 Ohms balanced

3.5 mm: 150 Ohms unbalanced

Controls1 x mono switch

1 x ground-lift switch

1 x level knob

Supported ResolutionUp to 24-bit/96 kHz

Frequency Response20 Hz to 20 kHz (±0.5 dB)

Dynamic Range88 dB

Total Harmonic Distortion0.01%

Power RequirementUSB, 90 mA

System RequirementsMac OS

Windows 7, 8, or 10

SupportsWDM, MME, Core Audio, DirectSound, and WAV

Construction MaterialHeavy-gauge steel chassis

Dimensions (H x W x D)1.5 x 3.4 x 5.8" / 38 x 86 x 147 mm

Weight1 lb / 0.5 kg

Packaging Info

Package Weight1.5 lb

Box Dimensions (LxWxH)7 x 5.8 x 3"
What’s In The Box

- MDB-USB Stereo DAC Direct Box