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MONOPRICE
Sound Block Passive Direct Box with Ground Lift and Attenuator
P/N 600125
User's Manual
INTRODUCTION TO DI
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DI has many names, including Direct Input, Direct Injection, Direct Induction, and most
commonly, Direct Interface.
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More than a simple 1/4" to XLR adapter, a DI box also matches level and impedance to
minimize noise in professional live and studio sound systems.
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It converts an unbalanced signal into a balanced signal.
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It converts a High Impedance (Hi-Z) signal into a Low Impedance (Lo-Z) signal.
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It reduces high level outputs from Digital Pianos, Active Acoustic Guitars, and even Low
Power Speaker Outputs (up to 50 watts).
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It isolates the sound system from the equipment on stage.
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It provides a parallel output, so performers can retain local control of their instruments.
