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Mackie MDB-1A Active Direct Box

Mackie MDB-1A Active Direct Box

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Great for active instruments like guitars and basses with active pickups and preamps, the Mackie 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 decreased noise and distortion-free performance
- High-impedance 1/4" input with Thru output
- Balanced XLR output 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