Mackie MDB-1A, is great for active instruments like guitars and basses with active pickups and preamps. 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.
Mackie MDB-USB, bus-powered MDB-USB Stereo DI converts your digital audio into clean, balanced, stereo output. Featuring an output level control, headphone output, and mono sum for maximum versatility. Analog outputs are dual XLR with ground lift.