Mackie MDB-1A Active Direct Box

SKU: 2049173-00
Sale price$79.99 USD Regular price$94.99 USD

From acoustic guitars to laptops, always sound your best with MDB Series Direct Boxes. Available in four different models, the MDB Series will give you the peace of mind that your sound will faithfully get to your audience the way that you hear it on stage.


Great for active instruments like guitars and basses with active pickups and preamps, the MDB-1A Active DI features increased headroom and distortion-free operation. Featuring a 1/4" high-impedance input and thru with -20db pad plus a Merge switch that turns the Thru jack into a second input, perfect for summing a stereo source to a mono output. The balanced XLR output features switches for Polarity, Low Cut, and Ground Lift. For maximum convenience, the MDB-1A is powered by 48v phantom power.


  • Active circuitry offers higher headroom for ultra-low noise and distortion-free performance
  • High-impedance 1/4" input with Thru output
  • Balanced XLR output connector with Ground Lift
  • Low Cut and Polarity switches
  • Merge switch allows connection of stereo sources which are then summed to mono at the output, perfect for stereo sources like keyboards and media players
  • -20dB pad ensures distortion-free performance when connecting to high-level sources
  • Powered via 48v Phantom Power
  • Built-Like-A-Tank™ construction


  • Type: Active
  • Channels: 1
  • Pads: -20dB
  • Polarity Switch: Yes
  • Ground Lift: Yes
  • EQ: 120Hz Low Cut switch
  • Inputs: 1 x 1/4"
  • Outputs: 1 x XLR (balanced line out), 1 x 1/4" (thru)
  • Power Source: 48V Phantom Power
  • Height: 1.5"
  • Depth: 5.8"
  • Width: 3.4"
  • Weight: 0.8 lbs.