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»Direct Boxes
A DI unit, DI box, Direct Box or simply DI is an electronic device that connects a high impedance line level signal that has an unbalanced output to a low impedance mic level balanced input, usually via XLR connector. DIs are frequently used to connect an electric guitar or electric bass to a mixing console's microphone input. The DI performs level matching, balancing, and either active buffering or passive impedance bridging to minimise noise, distortion, and ground loops. DIs do not perform impedance matching.
DI (pronounced dee EYE) is variously claimed to stand for direct input, direct injection or direct interface. DIs are extensively used with professional and semi-professional PA systems and in sound recording studios.
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Transformers / Isolators
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Unbalanced Audio Interfaces
Attenuators
|
Audio Solutions
|
Bulbs/Lamps
|
Cable Testers
|
Combiners/Splitters
Decibel Meters
|
Direct Boxes
|
Footswitches
|
Gaff Tape
|
Gear Bag
Headphones
|
Patch Bays
|
Phantom Power Supplies
|
Phono Preamps
|
Power Conditioners
Power Distribution
|
Power Sequencers
|
Power Supply Replacements
|
Power Voltage Regulators
|
RDL Accessories Mounting System (AMS)
Stands & Truss
|
T-Shirts
|
Transformers / Isolators
|
Unbalanced Audio Interfaces
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Direct Pro Audio is a registered trademark of Direct Pro Audio LLC.